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3ias

Crystal structure of the hydrophilic domain of respiratory complex I from Thermus thermophilus, oxidized, 4 mol/ASU, re-refined to 3.15 angstrom resolution

Method: X-RAY DIFFRACTION Dmax: 284.7 Å Quality: GOOD
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1. Protein Identity and Related Structures Protein Identity & Related Structures

NADH-quinone oxidoreductase subunit 1

OrganismNot specified

UniProt Q56222

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 8 PDB declaration: octameric（8） Consistent with protein copy count Chain 1； UniProt 1–438 Not recorded NADH-quinone oxidoreductase subunit 2 × 1 （Q56221） NADH-quinone oxidoreductase subunit 3 × 1 （Q56223） NADH-quinone oxidoreductase subunit 4 × 1 （Q56220） NADH-quinone oxidoreductase subunit 5 × 1 （Q56219） NADH-quinone oxidoreductase subunit 6 × 1 （Q56218） NADH-quinone oxidoreductase subunit 9 × 1 （Q56224） NADH-quinone oxidoreductase subunit 15 × 1 （Q5SKZ7） SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 CA CALCIUM ION × 4 X-RAY DIFFRACTION X-ray crystallization conditions：VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1 M HEPES pH 7.5, 0.4 M NaCl, 0.1 M CaCl2, 8% PEG4000, VAPOR DIFFUSION, SITTING DROP, temperature 295K Resolution 3.15 Å R-free 0.270
2 Protein heterocomplex Heteromer Protein × 8 PDB declaration: octameric（8） Consistent with protein copy count Chain A； UniProt 1–438 Not recorded NADH-quinone oxidoreductase subunit 2 × 1 （Q56221） NADH-quinone oxidoreductase subunit 3 × 1 （Q56223） NADH-quinone oxidoreductase subunit 4 × 1 （Q56220） NADH-quinone oxidoreductase subunit 5 × 1 （Q56219） NADH-quinone oxidoreductase subunit 6 × 1 （Q56218） NADH-quinone oxidoreductase subunit 9 × 1 （Q56224） NADH-quinone oxidoreductase subunit 15 × 1 （Q5SKZ7） SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 CA CALCIUM ION × 4 X-RAY DIFFRACTION X-ray crystallization conditions：VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1 M HEPES pH 7.5, 0.4 M NaCl, 0.1 M CaCl2, 8% PEG4000, VAPOR DIFFUSION, SITTING DROP, temperature 295K Resolution 3.15 Å R-free 0.270
3 Protein heterocomplex Heteromer Protein × 8 PDB declaration: octameric（8） Consistent with protein copy count Chain J； UniProt 1–438 Not recorded NADH-quinone oxidoreductase subunit 2 × 1 （Q56221） NADH-quinone oxidoreductase subunit 3 × 1 （Q56223） NADH-quinone oxidoreductase subunit 4 × 1 （Q56220） NADH-quinone oxidoreductase subunit 5 × 1 （Q56219） NADH-quinone oxidoreductase subunit 6 × 1 （Q56218） NADH-quinone oxidoreductase subunit 9 × 1 （Q56224） NADH-quinone oxidoreductase subunit 15 × 1 （Q5SKZ7） SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 CA CALCIUM ION × 4 X-RAY DIFFRACTION X-ray crystallization conditions：VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1 M HEPES pH 7.5, 0.4 M NaCl, 0.1 M CaCl2, 8% PEG4000, VAPOR DIFFUSION, SITTING DROP, temperature 295K Resolution 3.15 Å R-free 0.270
4 Protein heterocomplex Heteromer Protein × 8 PDB declaration: octameric（8） Consistent with protein copy count Chain S； UniProt 1–438 Not recorded NADH-quinone oxidoreductase subunit 2 × 1 （Q56221） NADH-quinone oxidoreductase subunit 3 × 1 （Q56223） NADH-quinone oxidoreductase subunit 4 × 1 （Q56220） NADH-quinone oxidoreductase subunit 5 × 1 （Q56219） NADH-quinone oxidoreductase subunit 6 × 1 （Q56218） NADH-quinone oxidoreductase subunit 9 × 1 （Q56224） NADH-quinone oxidoreductase subunit 15 × 1 （Q5SKZ7） SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 CA CALCIUM ION × 4 X-RAY DIFFRACTION X-ray crystallization conditions：VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1 M HEPES pH 7.5, 0.4 M NaCl, 0.1 M CaCl2, 8% PEG4000, VAPOR DIFFUSION, SITTING DROP, temperature 295K Resolution 3.15 Å R-free 0.270

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

Other PDB Difference from Current Entry 3IAS Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Method and Experimental Conditions Structure Quality
2FUG Crystal structure of the hydrophilic domain of respiratory complex I from Thermus thermophilus Deposited 2006-01-26 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric
Chain 1 1–438（438 aa） Fragment：Hydrophilic domain
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FES FE2/S2 (INORGANIC) CLUSTER × 2 FMN FLAVIN MONONUCLEOTIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1M HEPES pH 7.5, 0.4-0.5M NaCl, 0.1M CaCl2 and 8-10% PEG4000, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 3.30 Å R-free 0.298
2FUG Crystal structure of the hydrophilic domain of respiratory complex I from Thermus thermophilus Deposited 2006-01-26 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric
Chain A 1–438（438 aa） Fragment：Hydrophilic domain
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FES FE2/S2 (INORGANIC) CLUSTER × 2 FMN FLAVIN MONONUCLEOTIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1M HEPES pH 7.5, 0.4-0.5M NaCl, 0.1M CaCl2 and 8-10% PEG4000, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 3.30 Å R-free 0.298
2FUG Crystal structure of the hydrophilic domain of respiratory complex I from Thermus thermophilus Deposited 2006-01-26 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 3 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric
Chain J 1–438（438 aa） Fragment：Hydrophilic domain
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FES FE2/S2 (INORGANIC) CLUSTER × 2 FMN FLAVIN MONONUCLEOTIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1M HEPES pH 7.5, 0.4-0.5M NaCl, 0.1M CaCl2 and 8-10% PEG4000, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 3.30 Å R-free 0.298
2FUG Crystal structure of the hydrophilic domain of respiratory complex I from Thermus thermophilus Deposited 2006-01-26 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 4 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric
Chain S 1–438（438 aa） Fragment：Hydrophilic domain
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FES FE2/S2 (INORGANIC) CLUSTER × 2 FMN FLAVIN MONONUCLEOTIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1M HEPES pH 7.5, 0.4-0.5M NaCl, 0.1M CaCl2 and 8-10% PEG4000, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 3.30 Å R-free 0.298
2YBB Fitted model for bovine mitochondrial supercomplex I1III2IV1 by single particle cryo-EM (EMD-1876) Deposited 2011-03-02 Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 48 PDB declaration: 48-meric
Chain 1 1–438（438 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 NAI 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 MG MAGNESIUM ION × 7 FES FE2/S2 (INORGANIC) CLUSTER × 4 CA CALCIUM ION × 1 HEM PROTOPORPHYRIN IX CONTAINING FE × 5 SMA STIGMATELLIN A × 2 UQ1 UBIQUINONE-1 × 2 HEC HEME C × 2 CDL CARDIOLIPIN × 4 HEA HEME-A × 2 CU COPPER (II) ION × 3 ZN ZINC ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer 10 MM KCL, 15 MM HEPES, RESIDUAL TREHALOSE；pH 7.7；10 MM KCL, 15 MM HEPES, RESIDUAL TREHALOSE
cryo-EM vitrification conditions Cryogen ETHANE；VITRIFICATION 1 -- CRYOGEN- ETHANE, HUMIDITY- 70, TEMPERATURE- 95, INSTRUMENT- CUSTOM-MADE HAND PLUNGER, METHOD- ONE- SIDED BLOTTING FOR 26 - 30 SECONDS BEFORE PLUNGING, DETAILS- SAMPLE WAS ADSORBED TO CARBON FILM FOR 30 SECONDS BEFORE BLOTTING
Resolution 19.00 Å
3I9V Crystal structure of the hydrophilic domain of respiratory complex I from Thermus thermophilus, oxidized, 2 mol/ASU Deposited 2009-07-13 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric
Chain 1 1–438（438 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 MN MANGANESE (II) ION × 7 CA CALCIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1 M HEPES pH 7.5, 0.4 M NaCl, 0.1 M MnCl2, 6% PEG4000, 2.5% PEG400, 20 mM NAD+, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 3.10 Å R-free 0.283
3I9V Crystal structure of the hydrophilic domain of respiratory complex I from Thermus thermophilus, oxidized, 2 mol/ASU Deposited 2009-07-13 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric
Chain A 1–438（438 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 MN MANGANESE (II) ION × 5 CA CALCIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1 M HEPES pH 7.5, 0.4 M NaCl, 0.1 M MnCl2, 6% PEG4000, 2.5% PEG400, 20 mM NAD+, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 3.10 Å R-free 0.283
3IAM Crystal structure of the hydrophilic domain of respiratory complex I from Thermus thermophilus, reduced, 2 mol/ASU, with bound NADH Deposited 2009-07-14 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric
Chain 1 1–438（438 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 NAI 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 MG MAGNESIUM ION × 6 FES FE2/S2 (INORGANIC) CLUSTER × 2 CA CALCIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1 M HEPES pH 7.5, 0.05 M NaCl, 0.1 M MgCl2, 7% PEG4000, 3 mM NADH, 5 mM sodium dithionite, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 3.10 Å R-free 0.262
3IAM Crystal structure of the hydrophilic domain of respiratory complex I from Thermus thermophilus, reduced, 2 mol/ASU, with bound NADH Deposited 2009-07-14 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric
Chain A 1–438（438 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 NAI 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 MG MAGNESIUM ION × 4 FES FE2/S2 (INORGANIC) CLUSTER × 2 CA CALCIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1 M HEPES pH 7.5, 0.05 M NaCl, 0.1 M MgCl2, 7% PEG4000, 3 mM NADH, 5 mM sodium dithionite, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 3.10 Å R-free 0.262
3M9S Crystal structure of respiratory complex I from Thermus thermophilus Deposited 2010-03-22 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 13 PDB declaration: tridecameric
Chain 1 1–438（438 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；295 K；16% PEG 4000, 100 mM Bis-Tris, 100 mM KCl, 100 mM glutaric acid and 2.04 mM n-octyl- -maltoside fluorinated, pH 6.0, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 4.50 Å
3M9S Crystal structure of respiratory complex I from Thermus thermophilus Deposited 2010-03-22 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 13 PDB declaration: tridecameric
Chain A 1–438（438 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；295 K；16% PEG 4000, 100 mM Bis-Tris, 100 mM KCl, 100 mM glutaric acid and 2.04 mM n-octyl- -maltoside fluorinated, pH 6.0, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 4.50 Å
4HEA Crystal structure of the entire respiratory complex I from Thermus thermophilus Deposited 2012-10-03 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain 1 1–438（438 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；295 K；100 mM Bis-Tris pH 6.0, 19% (w/v) polyethylene glycol (PEG) 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 2.2 mM FOS-CHOLINE-8 fluorinated , VAPOR DIFFUSION, SITTING DROP, temperature 295K
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；295 K；100 mM Bis-Tris pH 6.0, 24% (w/v) polyethylene glycol (PEG) 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 50 mM NDSB-201, VAPOR DIFFUSION, SITTING DROP, temperature 295K
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；295 K；100 mM Bis-Tris pH 6.0, 26% (w/v) polyethylene glycol (PEG) 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 0.6% DDM, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 3.30 Å R-free 0.239
4HEA Crystal structure of the entire respiratory complex I from Thermus thermophilus Deposited 2012-10-03 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain B 1–438（438 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；295 K；100 mM Bis-Tris pH 6.0, 19% (w/v) polyethylene glycol (PEG) 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 2.2 mM FOS-CHOLINE-8 fluorinated , VAPOR DIFFUSION, SITTING DROP, temperature 295K
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；295 K；100 mM Bis-Tris pH 6.0, 24% (w/v) polyethylene glycol (PEG) 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 50 mM NDSB-201, VAPOR DIFFUSION, SITTING DROP, temperature 295K
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；295 K；100 mM Bis-Tris pH 6.0, 26% (w/v) polyethylene glycol (PEG) 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 0.6% DDM, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 3.30 Å R-free 0.239
6I0D Respiratory complex I from Thermus thermophilus with bound Decyl-Ubiquinone Deposited 2018-10-25 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain 1 1–438（438 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 DCQ 2-decyl-5,6-dimethoxy-3-methylcyclohexa-2,5-diene-1,4-dione × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；296 K；100 mM Bis-Tris pH 6.0, 23% (w/v) polyethylene glycol (PEG) 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 50 mM NDSB-201
Resolution 3.60 Å R-free 0.225
6I0D Respiratory complex I from Thermus thermophilus with bound Decyl-Ubiquinone Deposited 2018-10-25 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain B 1–438（438 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 DCQ 2-decyl-5,6-dimethoxy-3-methylcyclohexa-2,5-diene-1,4-dione × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；296 K；100 mM Bis-Tris pH 6.0, 23% (w/v) polyethylene glycol (PEG) 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 50 mM NDSB-201
Resolution 3.60 Å R-free 0.225
6I1P Respiratory complex I from Thermus thermophilus with bound NADH Deposited 2018-10-29 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain 1 1–438（438 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 NAI 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；296 K；100 mM Bis-Tris pH 6.0, 23% (w/v) PEG 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 0.01 mM n-tetradecyl-beta-D-maltopyranoside
Resolution 3.21 Å R-free 0.231
6I1P Respiratory complex I from Thermus thermophilus with bound NADH Deposited 2018-10-29 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain B 1–438（438 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 NAI 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；296 K；100 mM Bis-Tris pH 6.0, 23% (w/v) PEG 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 0.01 mM n-tetradecyl-beta-D-maltopyranoside
Resolution 3.21 Å R-free 0.231
6Q8O Respiratory complex I from Thermus thermophilus with bound Piericidin A Deposited 2018-12-15 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain 1 1–438（438 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 HQH Piericidin A × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；296 K；100 mM Bis-Tris pH 6.0, 24% (w/v) PEG 4000, 100 mM KCl, 100 mM glutaric acid and 0.59 mM n-undecyl-beta-maltoside
Resolution 3.60 Å R-free 0.235
6Q8O Respiratory complex I from Thermus thermophilus with bound Piericidin A Deposited 2018-12-15 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain B 1–438（438 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 HQH Piericidin A × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；296 K；100 mM Bis-Tris pH 6.0, 24% (w/v) PEG 4000, 100 mM KCl, 100 mM glutaric acid and 0.59 mM n-undecyl-beta-maltoside
Resolution 3.60 Å R-free 0.235
6Q8W Respiratory complex I from Thermus thermophilus with bound Aureothin. Deposited 2018-12-16 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain 1 1–438（438 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 HQW Aureothin × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；296 K；100 mM Bis-Tris pH 6.0, 25% (w/v) PEG 4000, 100 mM KCl, 100 mM glutaric acid and 7.6 mM 4-cyclohexyl-1-butyl-beta-D-maltoside
Resolution 3.40 Å R-free 0.234
6Q8W Respiratory complex I from Thermus thermophilus with bound Aureothin. Deposited 2018-12-16 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain B 1–438（438 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 HQW Aureothin × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；296 K；100 mM Bis-Tris pH 6.0, 25% (w/v) PEG 4000, 100 mM KCl, 100 mM glutaric acid and 7.6 mM 4-cyclohexyl-1-butyl-beta-D-maltoside
Resolution 3.40 Å R-free 0.234
6Q8X Respiratory complex I from Thermus thermophilus with bound Pyridaben. Deposited 2018-12-16 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain 1 1–438（438 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 HQK Pyridaben × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；296 K；100 mM Bis-Tris pH 6.0, 21% (w/v) PEG 4000, 100 mM KCl, 100 mM glutaric acid and 1.02 mM octyl-maltoside fluorinated
Resolution 3.51 Å R-free 0.232
6Q8X Respiratory complex I from Thermus thermophilus with bound Pyridaben. Deposited 2018-12-16 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain B 1–438（438 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 HQK Pyridaben × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；296 K；100 mM Bis-Tris pH 6.0, 21% (w/v) PEG 4000, 100 mM KCl, 100 mM glutaric acid and 1.02 mM octyl-maltoside fluorinated
Resolution 3.51 Å R-free 0.232
6Y11 Respiratory complex I from Thermus thermophilus Deposited 2020-02-10 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain 1 1–438（438 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；295 K；100 mM Bis-Tris pH 6.0, 26% (w/v) polyethylene glycol (PEG) 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 0.6% DDM
Resolution 3.11 Å R-free 0.229
6Y11 Respiratory complex I from Thermus thermophilus Deposited 2020-02-10 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain B 1–438（438 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；295 K；100 mM Bis-Tris pH 6.0, 26% (w/v) polyethylene glycol (PEG) 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 0.6% DDM
Resolution 3.11 Å R-free 0.229
6ZIY Respiratory complex I from Thermus thermophilus, NADH dataset, major state Deposited 2020-06-26 Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 15 PDB declaration: pentadecameric
Chain 1 1–438（438 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 NAI 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.25 Å
6ZJL Respiratory complex I from Thermus thermophilus, NAD+ dataset, major state Deposited 2020-06-29 Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 15 PDB declaration: pentadecameric
Chain 1 1–438（438 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.30 Å
6ZJN Respiratory complex I from Thermus thermophilus, NADH dataset, minor state Deposited 2020-06-29 Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 15 PDB declaration: pentadecameric
Chain 1 1–438（438 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FES FE2/S2 (INORGANIC) CLUSTER × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.10 Å
6ZJY Respiratory complex I from Thermus thermophilus, NAD+ dataset, minor state Deposited 2020-06-29 Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 15 PDB declaration: pentadecameric
Chain 1 1–438（438 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FES FE2/S2 (INORGANIC) CLUSTER × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 5.50 Å

16 other PDB entries and 29 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name NQO1_THET8
Isoform —
PDB entities 1
Chains and sequence ranges Author chain 1； PDBConstruct 1–438； UniProt 1–438 Author chain A； PDBConstruct 1–438； UniProt 1–438 Author chain J； PDBConstruct 1–438； UniProt 1–438 Author chain S； PDBConstruct 1–438； UniProt 1–438

NADH-quinone oxidoreductase subunit 2

OrganismNot specified

UniProt Q56221

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 8 PDB declaration: octameric（8） Consistent with protein copy count Chain 2； UniProt 1–181 Not recorded NADH-quinone oxidoreductase subunit 1 × 1 （Q56222） NADH-quinone oxidoreductase subunit 3 × 1 （Q56223） NADH-quinone oxidoreductase subunit 4 × 1 （Q56220） NADH-quinone oxidoreductase subunit 5 × 1 （Q56219） NADH-quinone oxidoreductase subunit 6 × 1 （Q56218） NADH-quinone oxidoreductase subunit 9 × 1 （Q56224） NADH-quinone oxidoreductase subunit 15 × 1 （Q5SKZ7） SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 CA CALCIUM ION × 4 X-RAY DIFFRACTION X-ray crystallization conditions：VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1 M HEPES pH 7.5, 0.4 M NaCl, 0.1 M CaCl2, 8% PEG4000, VAPOR DIFFUSION, SITTING DROP, temperature 295K Resolution 3.15 Å R-free 0.270
2 Protein heterocomplex Heteromer Protein × 8 PDB declaration: octameric（8） Consistent with protein copy count Chain B； UniProt 1–181 Not recorded NADH-quinone oxidoreductase subunit 1 × 1 （Q56222） NADH-quinone oxidoreductase subunit 3 × 1 （Q56223） NADH-quinone oxidoreductase subunit 4 × 1 （Q56220） NADH-quinone oxidoreductase subunit 5 × 1 （Q56219） NADH-quinone oxidoreductase subunit 6 × 1 （Q56218） NADH-quinone oxidoreductase subunit 9 × 1 （Q56224） NADH-quinone oxidoreductase subunit 15 × 1 （Q5SKZ7） SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 CA CALCIUM ION × 4 X-RAY DIFFRACTION X-ray crystallization conditions：VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1 M HEPES pH 7.5, 0.4 M NaCl, 0.1 M CaCl2, 8% PEG4000, VAPOR DIFFUSION, SITTING DROP, temperature 295K Resolution 3.15 Å R-free 0.270
3 Protein heterocomplex Heteromer Protein × 8 PDB declaration: octameric（8） Consistent with protein copy count Chain K； UniProt 1–181 Not recorded NADH-quinone oxidoreductase subunit 1 × 1 （Q56222） NADH-quinone oxidoreductase subunit 3 × 1 （Q56223） NADH-quinone oxidoreductase subunit 4 × 1 （Q56220） NADH-quinone oxidoreductase subunit 5 × 1 （Q56219） NADH-quinone oxidoreductase subunit 6 × 1 （Q56218） NADH-quinone oxidoreductase subunit 9 × 1 （Q56224） NADH-quinone oxidoreductase subunit 15 × 1 （Q5SKZ7） SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 CA CALCIUM ION × 4 X-RAY DIFFRACTION X-ray crystallization conditions：VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1 M HEPES pH 7.5, 0.4 M NaCl, 0.1 M CaCl2, 8% PEG4000, VAPOR DIFFUSION, SITTING DROP, temperature 295K Resolution 3.15 Å R-free 0.270
4 Protein heterocomplex Heteromer Protein × 8 PDB declaration: octameric（8） Consistent with protein copy count Chain T； UniProt 1–181 Not recorded NADH-quinone oxidoreductase subunit 1 × 1 （Q56222） NADH-quinone oxidoreductase subunit 3 × 1 （Q56223） NADH-quinone oxidoreductase subunit 4 × 1 （Q56220） NADH-quinone oxidoreductase subunit 5 × 1 （Q56219） NADH-quinone oxidoreductase subunit 6 × 1 （Q56218） NADH-quinone oxidoreductase subunit 9 × 1 （Q56224） NADH-quinone oxidoreductase subunit 15 × 1 （Q5SKZ7） SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 CA CALCIUM ION × 4 X-RAY DIFFRACTION X-ray crystallization conditions：VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1 M HEPES pH 7.5, 0.4 M NaCl, 0.1 M CaCl2, 8% PEG4000, VAPOR DIFFUSION, SITTING DROP, temperature 295K Resolution 3.15 Å R-free 0.270

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

Other PDB Difference from Current Entry 3IAS Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Method and Experimental Conditions Structure Quality
2FUG Crystal structure of the hydrophilic domain of respiratory complex I from Thermus thermophilus Deposited 2006-01-26 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric
Chain 2 1–181（181 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FES FE2/S2 (INORGANIC) CLUSTER × 2 FMN FLAVIN MONONUCLEOTIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1M HEPES pH 7.5, 0.4-0.5M NaCl, 0.1M CaCl2 and 8-10% PEG4000, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 3.30 Å R-free 0.298
2FUG Crystal structure of the hydrophilic domain of respiratory complex I from Thermus thermophilus Deposited 2006-01-26 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric
Chain B 1–181（181 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FES FE2/S2 (INORGANIC) CLUSTER × 2 FMN FLAVIN MONONUCLEOTIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1M HEPES pH 7.5, 0.4-0.5M NaCl, 0.1M CaCl2 and 8-10% PEG4000, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 3.30 Å R-free 0.298
2FUG Crystal structure of the hydrophilic domain of respiratory complex I from Thermus thermophilus Deposited 2006-01-26 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 3 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric
Chain K 1–181（181 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FES FE2/S2 (INORGANIC) CLUSTER × 2 FMN FLAVIN MONONUCLEOTIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1M HEPES pH 7.5, 0.4-0.5M NaCl, 0.1M CaCl2 and 8-10% PEG4000, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 3.30 Å R-free 0.298
2FUG Crystal structure of the hydrophilic domain of respiratory complex I from Thermus thermophilus Deposited 2006-01-26 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 4 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric
Chain T 1–181（181 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FES FE2/S2 (INORGANIC) CLUSTER × 2 FMN FLAVIN MONONUCLEOTIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1M HEPES pH 7.5, 0.4-0.5M NaCl, 0.1M CaCl2 and 8-10% PEG4000, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 3.30 Å R-free 0.298
2YBB Fitted model for bovine mitochondrial supercomplex I1III2IV1 by single particle cryo-EM (EMD-1876) Deposited 2011-03-02 Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 48 PDB declaration: 48-meric
Chain 2 1–181（181 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 NAI 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 MG MAGNESIUM ION × 7 FES FE2/S2 (INORGANIC) CLUSTER × 4 CA CALCIUM ION × 1 HEM PROTOPORPHYRIN IX CONTAINING FE × 5 SMA STIGMATELLIN A × 2 UQ1 UBIQUINONE-1 × 2 HEC HEME C × 2 CDL CARDIOLIPIN × 4 HEA HEME-A × 2 CU COPPER (II) ION × 3 ZN ZINC ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer 10 MM KCL, 15 MM HEPES, RESIDUAL TREHALOSE；pH 7.7；10 MM KCL, 15 MM HEPES, RESIDUAL TREHALOSE
cryo-EM vitrification conditions Cryogen ETHANE；VITRIFICATION 1 -- CRYOGEN- ETHANE, HUMIDITY- 70, TEMPERATURE- 95, INSTRUMENT- CUSTOM-MADE HAND PLUNGER, METHOD- ONE- SIDED BLOTTING FOR 26 - 30 SECONDS BEFORE PLUNGING, DETAILS- SAMPLE WAS ADSORBED TO CARBON FILM FOR 30 SECONDS BEFORE BLOTTING
Resolution 19.00 Å
3I9V Crystal structure of the hydrophilic domain of respiratory complex I from Thermus thermophilus, oxidized, 2 mol/ASU Deposited 2009-07-13 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric
Chain 2 1–181（181 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 MN MANGANESE (II) ION × 7 CA CALCIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1 M HEPES pH 7.5, 0.4 M NaCl, 0.1 M MnCl2, 6% PEG4000, 2.5% PEG400, 20 mM NAD+, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 3.10 Å R-free 0.283
3I9V Crystal structure of the hydrophilic domain of respiratory complex I from Thermus thermophilus, oxidized, 2 mol/ASU Deposited 2009-07-13 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric
Chain B 1–181（181 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 MN MANGANESE (II) ION × 5 CA CALCIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1 M HEPES pH 7.5, 0.4 M NaCl, 0.1 M MnCl2, 6% PEG4000, 2.5% PEG400, 20 mM NAD+, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 3.10 Å R-free 0.283
3IAM Crystal structure of the hydrophilic domain of respiratory complex I from Thermus thermophilus, reduced, 2 mol/ASU, with bound NADH Deposited 2009-07-14 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric
Chain 2 1–181（181 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 NAI 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 MG MAGNESIUM ION × 6 FES FE2/S2 (INORGANIC) CLUSTER × 2 CA CALCIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1 M HEPES pH 7.5, 0.05 M NaCl, 0.1 M MgCl2, 7% PEG4000, 3 mM NADH, 5 mM sodium dithionite, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 3.10 Å R-free 0.262
3IAM Crystal structure of the hydrophilic domain of respiratory complex I from Thermus thermophilus, reduced, 2 mol/ASU, with bound NADH Deposited 2009-07-14 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric
Chain B 1–181（181 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 NAI 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 MG MAGNESIUM ION × 4 FES FE2/S2 (INORGANIC) CLUSTER × 2 CA CALCIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1 M HEPES pH 7.5, 0.05 M NaCl, 0.1 M MgCl2, 7% PEG4000, 3 mM NADH, 5 mM sodium dithionite, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 3.10 Å R-free 0.262
3M9S Crystal structure of respiratory complex I from Thermus thermophilus Deposited 2010-03-22 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 13 PDB declaration: tridecameric
Chain 2 1–181（181 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；295 K；16% PEG 4000, 100 mM Bis-Tris, 100 mM KCl, 100 mM glutaric acid and 2.04 mM n-octyl- -maltoside fluorinated, pH 6.0, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 4.50 Å
3M9S Crystal structure of respiratory complex I from Thermus thermophilus Deposited 2010-03-22 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 13 PDB declaration: tridecameric
Chain B 1–181（181 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；295 K；16% PEG 4000, 100 mM Bis-Tris, 100 mM KCl, 100 mM glutaric acid and 2.04 mM n-octyl- -maltoside fluorinated, pH 6.0, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 4.50 Å
4HEA Crystal structure of the entire respiratory complex I from Thermus thermophilus Deposited 2012-10-03 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain 2 1–181（181 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；295 K；100 mM Bis-Tris pH 6.0, 19% (w/v) polyethylene glycol (PEG) 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 2.2 mM FOS-CHOLINE-8 fluorinated , VAPOR DIFFUSION, SITTING DROP, temperature 295K
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；295 K；100 mM Bis-Tris pH 6.0, 24% (w/v) polyethylene glycol (PEG) 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 50 mM NDSB-201, VAPOR DIFFUSION, SITTING DROP, temperature 295K
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；295 K；100 mM Bis-Tris pH 6.0, 26% (w/v) polyethylene glycol (PEG) 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 0.6% DDM, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 3.30 Å R-free 0.239
4HEA Crystal structure of the entire respiratory complex I from Thermus thermophilus Deposited 2012-10-03 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain C 1–181（181 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；295 K；100 mM Bis-Tris pH 6.0, 19% (w/v) polyethylene glycol (PEG) 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 2.2 mM FOS-CHOLINE-8 fluorinated , VAPOR DIFFUSION, SITTING DROP, temperature 295K
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；295 K；100 mM Bis-Tris pH 6.0, 24% (w/v) polyethylene glycol (PEG) 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 50 mM NDSB-201, VAPOR DIFFUSION, SITTING DROP, temperature 295K
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；295 K；100 mM Bis-Tris pH 6.0, 26% (w/v) polyethylene glycol (PEG) 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 0.6% DDM, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 3.30 Å R-free 0.239
6I0D Respiratory complex I from Thermus thermophilus with bound Decyl-Ubiquinone Deposited 2018-10-25 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain 2 1–181（181 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 DCQ 2-decyl-5,6-dimethoxy-3-methylcyclohexa-2,5-diene-1,4-dione × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；296 K；100 mM Bis-Tris pH 6.0, 23% (w/v) polyethylene glycol (PEG) 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 50 mM NDSB-201
Resolution 3.60 Å R-free 0.225
6I0D Respiratory complex I from Thermus thermophilus with bound Decyl-Ubiquinone Deposited 2018-10-25 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain C 1–181（181 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 DCQ 2-decyl-5,6-dimethoxy-3-methylcyclohexa-2,5-diene-1,4-dione × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；296 K；100 mM Bis-Tris pH 6.0, 23% (w/v) polyethylene glycol (PEG) 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 50 mM NDSB-201
Resolution 3.60 Å R-free 0.225
6I1P Respiratory complex I from Thermus thermophilus with bound NADH Deposited 2018-10-29 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain 2 1–181（181 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 NAI 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；296 K；100 mM Bis-Tris pH 6.0, 23% (w/v) PEG 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 0.01 mM n-tetradecyl-beta-D-maltopyranoside
Resolution 3.21 Å R-free 0.231
6I1P Respiratory complex I from Thermus thermophilus with bound NADH Deposited 2018-10-29 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain C 1–181（181 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 NAI 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；296 K；100 mM Bis-Tris pH 6.0, 23% (w/v) PEG 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 0.01 mM n-tetradecyl-beta-D-maltopyranoside
Resolution 3.21 Å R-free 0.231
6Q8O Respiratory complex I from Thermus thermophilus with bound Piericidin A Deposited 2018-12-15 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain 2 1–181（181 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 HQH Piericidin A × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；296 K；100 mM Bis-Tris pH 6.0, 24% (w/v) PEG 4000, 100 mM KCl, 100 mM glutaric acid and 0.59 mM n-undecyl-beta-maltoside
Resolution 3.60 Å R-free 0.235
6Q8O Respiratory complex I from Thermus thermophilus with bound Piericidin A Deposited 2018-12-15 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain C 1–181（181 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 HQH Piericidin A × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；296 K；100 mM Bis-Tris pH 6.0, 24% (w/v) PEG 4000, 100 mM KCl, 100 mM glutaric acid and 0.59 mM n-undecyl-beta-maltoside
Resolution 3.60 Å R-free 0.235
6Q8W Respiratory complex I from Thermus thermophilus with bound Aureothin. Deposited 2018-12-16 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain 2 1–181（181 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 HQW Aureothin × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；296 K；100 mM Bis-Tris pH 6.0, 25% (w/v) PEG 4000, 100 mM KCl, 100 mM glutaric acid and 7.6 mM 4-cyclohexyl-1-butyl-beta-D-maltoside
Resolution 3.40 Å R-free 0.234
6Q8W Respiratory complex I from Thermus thermophilus with bound Aureothin. Deposited 2018-12-16 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain C 1–181（181 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 HQW Aureothin × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；296 K；100 mM Bis-Tris pH 6.0, 25% (w/v) PEG 4000, 100 mM KCl, 100 mM glutaric acid and 7.6 mM 4-cyclohexyl-1-butyl-beta-D-maltoside
Resolution 3.40 Å R-free 0.234
6Q8X Respiratory complex I from Thermus thermophilus with bound Pyridaben. Deposited 2018-12-16 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain 2 1–181（181 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 HQK Pyridaben × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；296 K；100 mM Bis-Tris pH 6.0, 21% (w/v) PEG 4000, 100 mM KCl, 100 mM glutaric acid and 1.02 mM octyl-maltoside fluorinated
Resolution 3.51 Å R-free 0.232
6Q8X Respiratory complex I from Thermus thermophilus with bound Pyridaben. Deposited 2018-12-16 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain C 1–181（181 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 HQK Pyridaben × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；296 K；100 mM Bis-Tris pH 6.0, 21% (w/v) PEG 4000, 100 mM KCl, 100 mM glutaric acid and 1.02 mM octyl-maltoside fluorinated
Resolution 3.51 Å R-free 0.232
6Y11 Respiratory complex I from Thermus thermophilus Deposited 2020-02-10 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain 2 1–181（181 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；295 K；100 mM Bis-Tris pH 6.0, 26% (w/v) polyethylene glycol (PEG) 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 0.6% DDM
Resolution 3.11 Å R-free 0.229
6Y11 Respiratory complex I from Thermus thermophilus Deposited 2020-02-10 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain C 1–181（181 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；295 K；100 mM Bis-Tris pH 6.0, 26% (w/v) polyethylene glycol (PEG) 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 0.6% DDM
Resolution 3.11 Å R-free 0.229
6ZIY Respiratory complex I from Thermus thermophilus, NADH dataset, major state Deposited 2020-06-26 Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 15 PDB declaration: pentadecameric
Chain 2 1–181（181 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 NAI 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.25 Å
6ZJL Respiratory complex I from Thermus thermophilus, NAD+ dataset, major state Deposited 2020-06-29 Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 15 PDB declaration: pentadecameric
Chain 2 1–181（181 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.30 Å
6ZJN Respiratory complex I from Thermus thermophilus, NADH dataset, minor state Deposited 2020-06-29 Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 15 PDB declaration: pentadecameric
Chain 2 1–181（181 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FES FE2/S2 (INORGANIC) CLUSTER × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.10 Å
6ZJY Respiratory complex I from Thermus thermophilus, NAD+ dataset, minor state Deposited 2020-06-29 Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 15 PDB declaration: pentadecameric
Chain 2 1–181（181 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FES FE2/S2 (INORGANIC) CLUSTER × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 5.50 Å

16 other PDB entries and 29 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name NQO2_THET8
Isoform —
PDB entities 2
Chains and sequence ranges Author chain 2； PDBConstruct 1–181； UniProt 1–181 Author chain B； PDBConstruct 1–181； UniProt 1–181 Author chain K； PDBConstruct 1–181； UniProt 1–181 Author chain T； PDBConstruct 1–181； UniProt 1–181

NADH-quinone oxidoreductase subunit 3

OrganismNot specified

UniProt Q56223

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 8 PDB declaration: octameric（8） Consistent with protein copy count Chain 3； UniProt 1–783 Not recorded NADH-quinone oxidoreductase subunit 1 × 1 （Q56222） NADH-quinone oxidoreductase subunit 2 × 1 （Q56221） NADH-quinone oxidoreductase subunit 4 × 1 （Q56220） NADH-quinone oxidoreductase subunit 5 × 1 （Q56219） NADH-quinone oxidoreductase subunit 6 × 1 （Q56218） NADH-quinone oxidoreductase subunit 9 × 1 （Q56224） NADH-quinone oxidoreductase subunit 15 × 1 （Q5SKZ7） SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 CA CALCIUM ION × 4 X-RAY DIFFRACTION X-ray crystallization conditions：VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1 M HEPES pH 7.5, 0.4 M NaCl, 0.1 M CaCl2, 8% PEG4000, VAPOR DIFFUSION, SITTING DROP, temperature 295K Resolution 3.15 Å R-free 0.270
2 Protein heterocomplex Heteromer Protein × 8 PDB declaration: octameric（8） Consistent with protein copy count Chain C； UniProt 1–783 Not recorded NADH-quinone oxidoreductase subunit 1 × 1 （Q56222） NADH-quinone oxidoreductase subunit 2 × 1 （Q56221） NADH-quinone oxidoreductase subunit 4 × 1 （Q56220） NADH-quinone oxidoreductase subunit 5 × 1 （Q56219） NADH-quinone oxidoreductase subunit 6 × 1 （Q56218） NADH-quinone oxidoreductase subunit 9 × 1 （Q56224） NADH-quinone oxidoreductase subunit 15 × 1 （Q5SKZ7） SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 CA CALCIUM ION × 4 X-RAY DIFFRACTION X-ray crystallization conditions：VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1 M HEPES pH 7.5, 0.4 M NaCl, 0.1 M CaCl2, 8% PEG4000, VAPOR DIFFUSION, SITTING DROP, temperature 295K Resolution 3.15 Å R-free 0.270
3 Protein heterocomplex Heteromer Protein × 8 PDB declaration: octameric（8） Consistent with protein copy count Chain L； UniProt 1–783 Not recorded NADH-quinone oxidoreductase subunit 1 × 1 （Q56222） NADH-quinone oxidoreductase subunit 2 × 1 （Q56221） NADH-quinone oxidoreductase subunit 4 × 1 （Q56220） NADH-quinone oxidoreductase subunit 5 × 1 （Q56219） NADH-quinone oxidoreductase subunit 6 × 1 （Q56218） NADH-quinone oxidoreductase subunit 9 × 1 （Q56224） NADH-quinone oxidoreductase subunit 15 × 1 （Q5SKZ7） SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 CA CALCIUM ION × 4 X-RAY DIFFRACTION X-ray crystallization conditions：VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1 M HEPES pH 7.5, 0.4 M NaCl, 0.1 M CaCl2, 8% PEG4000, VAPOR DIFFUSION, SITTING DROP, temperature 295K Resolution 3.15 Å R-free 0.270
4 Protein heterocomplex Heteromer Protein × 8 PDB declaration: octameric（8） Consistent with protein copy count Chain U； UniProt 1–783 Not recorded NADH-quinone oxidoreductase subunit 1 × 1 （Q56222） NADH-quinone oxidoreductase subunit 2 × 1 （Q56221） NADH-quinone oxidoreductase subunit 4 × 1 （Q56220） NADH-quinone oxidoreductase subunit 5 × 1 （Q56219） NADH-quinone oxidoreductase subunit 6 × 1 （Q56218） NADH-quinone oxidoreductase subunit 9 × 1 （Q56224） NADH-quinone oxidoreductase subunit 15 × 1 （Q5SKZ7） SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 CA CALCIUM ION × 4 X-RAY DIFFRACTION X-ray crystallization conditions：VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1 M HEPES pH 7.5, 0.4 M NaCl, 0.1 M CaCl2, 8% PEG4000, VAPOR DIFFUSION, SITTING DROP, temperature 295K Resolution 3.15 Å R-free 0.270

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

Other PDB Difference from Current Entry 3IAS Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Method and Experimental Conditions Structure Quality
2FUG Crystal structure of the hydrophilic domain of respiratory complex I from Thermus thermophilus Deposited 2006-01-26 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric
Chain 3 1–783（783 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FES FE2/S2 (INORGANIC) CLUSTER × 2 FMN FLAVIN MONONUCLEOTIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1M HEPES pH 7.5, 0.4-0.5M NaCl, 0.1M CaCl2 and 8-10% PEG4000, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 3.30 Å R-free 0.298
2FUG Crystal structure of the hydrophilic domain of respiratory complex I from Thermus thermophilus Deposited 2006-01-26 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric
Chain C 1–783（783 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FES FE2/S2 (INORGANIC) CLUSTER × 2 FMN FLAVIN MONONUCLEOTIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1M HEPES pH 7.5, 0.4-0.5M NaCl, 0.1M CaCl2 and 8-10% PEG4000, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 3.30 Å R-free 0.298
2FUG Crystal structure of the hydrophilic domain of respiratory complex I from Thermus thermophilus Deposited 2006-01-26 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 3 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric
Chain L 1–783（783 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FES FE2/S2 (INORGANIC) CLUSTER × 2 FMN FLAVIN MONONUCLEOTIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1M HEPES pH 7.5, 0.4-0.5M NaCl, 0.1M CaCl2 and 8-10% PEG4000, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 3.30 Å R-free 0.298
2FUG Crystal structure of the hydrophilic domain of respiratory complex I from Thermus thermophilus Deposited 2006-01-26 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 4 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric
Chain U 1–783（783 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FES FE2/S2 (INORGANIC) CLUSTER × 2 FMN FLAVIN MONONUCLEOTIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1M HEPES pH 7.5, 0.4-0.5M NaCl, 0.1M CaCl2 and 8-10% PEG4000, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 3.30 Å R-free 0.298
2YBB Fitted model for bovine mitochondrial supercomplex I1III2IV1 by single particle cryo-EM (EMD-1876) Deposited 2011-03-02 Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 48 PDB declaration: 48-meric
Chain 3 1–783（783 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 NAI 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 MG MAGNESIUM ION × 7 FES FE2/S2 (INORGANIC) CLUSTER × 4 CA CALCIUM ION × 1 HEM PROTOPORPHYRIN IX CONTAINING FE × 5 SMA STIGMATELLIN A × 2 UQ1 UBIQUINONE-1 × 2 HEC HEME C × 2 CDL CARDIOLIPIN × 4 HEA HEME-A × 2 CU COPPER (II) ION × 3 ZN ZINC ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer 10 MM KCL, 15 MM HEPES, RESIDUAL TREHALOSE；pH 7.7；10 MM KCL, 15 MM HEPES, RESIDUAL TREHALOSE
cryo-EM vitrification conditions Cryogen ETHANE；VITRIFICATION 1 -- CRYOGEN- ETHANE, HUMIDITY- 70, TEMPERATURE- 95, INSTRUMENT- CUSTOM-MADE HAND PLUNGER, METHOD- ONE- SIDED BLOTTING FOR 26 - 30 SECONDS BEFORE PLUNGING, DETAILS- SAMPLE WAS ADSORBED TO CARBON FILM FOR 30 SECONDS BEFORE BLOTTING
Resolution 19.00 Å
3I9V Crystal structure of the hydrophilic domain of respiratory complex I from Thermus thermophilus, oxidized, 2 mol/ASU Deposited 2009-07-13 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric
Chain 3 1–783（783 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 MN MANGANESE (II) ION × 7 CA CALCIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1 M HEPES pH 7.5, 0.4 M NaCl, 0.1 M MnCl2, 6% PEG4000, 2.5% PEG400, 20 mM NAD+, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 3.10 Å R-free 0.283
3I9V Crystal structure of the hydrophilic domain of respiratory complex I from Thermus thermophilus, oxidized, 2 mol/ASU Deposited 2009-07-13 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric
Chain C 1–783（783 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 MN MANGANESE (II) ION × 5 CA CALCIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1 M HEPES pH 7.5, 0.4 M NaCl, 0.1 M MnCl2, 6% PEG4000, 2.5% PEG400, 20 mM NAD+, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 3.10 Å R-free 0.283
3IAM Crystal structure of the hydrophilic domain of respiratory complex I from Thermus thermophilus, reduced, 2 mol/ASU, with bound NADH Deposited 2009-07-14 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric
Chain 3 1–783（783 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 NAI 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 MG MAGNESIUM ION × 6 FES FE2/S2 (INORGANIC) CLUSTER × 2 CA CALCIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1 M HEPES pH 7.5, 0.05 M NaCl, 0.1 M MgCl2, 7% PEG4000, 3 mM NADH, 5 mM sodium dithionite, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 3.10 Å R-free 0.262
3IAM Crystal structure of the hydrophilic domain of respiratory complex I from Thermus thermophilus, reduced, 2 mol/ASU, with bound NADH Deposited 2009-07-14 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric
Chain C 1–783（783 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 NAI 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 MG MAGNESIUM ION × 4 FES FE2/S2 (INORGANIC) CLUSTER × 2 CA CALCIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1 M HEPES pH 7.5, 0.05 M NaCl, 0.1 M MgCl2, 7% PEG4000, 3 mM NADH, 5 mM sodium dithionite, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 3.10 Å R-free 0.262
3M9S Crystal structure of respiratory complex I from Thermus thermophilus Deposited 2010-03-22 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 13 PDB declaration: tridecameric
Chain 3 1–783（783 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；295 K；16% PEG 4000, 100 mM Bis-Tris, 100 mM KCl, 100 mM glutaric acid and 2.04 mM n-octyl- -maltoside fluorinated, pH 6.0, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 4.50 Å
3M9S Crystal structure of respiratory complex I from Thermus thermophilus Deposited 2010-03-22 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 13 PDB declaration: tridecameric
Chain C 1–783（783 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；295 K；16% PEG 4000, 100 mM Bis-Tris, 100 mM KCl, 100 mM glutaric acid and 2.04 mM n-octyl- -maltoside fluorinated, pH 6.0, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 4.50 Å
4HEA Crystal structure of the entire respiratory complex I from Thermus thermophilus Deposited 2012-10-03 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain 3 1–783（783 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；295 K；100 mM Bis-Tris pH 6.0, 19% (w/v) polyethylene glycol (PEG) 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 2.2 mM FOS-CHOLINE-8 fluorinated , VAPOR DIFFUSION, SITTING DROP, temperature 295K
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；295 K；100 mM Bis-Tris pH 6.0, 24% (w/v) polyethylene glycol (PEG) 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 50 mM NDSB-201, VAPOR DIFFUSION, SITTING DROP, temperature 295K
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；295 K；100 mM Bis-Tris pH 6.0, 26% (w/v) polyethylene glycol (PEG) 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 0.6% DDM, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 3.30 Å R-free 0.239
4HEA Crystal structure of the entire respiratory complex I from Thermus thermophilus Deposited 2012-10-03 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain D 1–783（783 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；295 K；100 mM Bis-Tris pH 6.0, 19% (w/v) polyethylene glycol (PEG) 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 2.2 mM FOS-CHOLINE-8 fluorinated , VAPOR DIFFUSION, SITTING DROP, temperature 295K
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；295 K；100 mM Bis-Tris pH 6.0, 24% (w/v) polyethylene glycol (PEG) 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 50 mM NDSB-201, VAPOR DIFFUSION, SITTING DROP, temperature 295K
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；295 K；100 mM Bis-Tris pH 6.0, 26% (w/v) polyethylene glycol (PEG) 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 0.6% DDM, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 3.30 Å R-free 0.239
6I0D Respiratory complex I from Thermus thermophilus with bound Decyl-Ubiquinone Deposited 2018-10-25 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain 3 1–783（783 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 DCQ 2-decyl-5,6-dimethoxy-3-methylcyclohexa-2,5-diene-1,4-dione × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；296 K；100 mM Bis-Tris pH 6.0, 23% (w/v) polyethylene glycol (PEG) 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 50 mM NDSB-201
Resolution 3.60 Å R-free 0.225
6I0D Respiratory complex I from Thermus thermophilus with bound Decyl-Ubiquinone Deposited 2018-10-25 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain D 1–783（783 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 DCQ 2-decyl-5,6-dimethoxy-3-methylcyclohexa-2,5-diene-1,4-dione × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；296 K；100 mM Bis-Tris pH 6.0, 23% (w/v) polyethylene glycol (PEG) 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 50 mM NDSB-201
Resolution 3.60 Å R-free 0.225
6I1P Respiratory complex I from Thermus thermophilus with bound NADH Deposited 2018-10-29 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain 3 1–783（783 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 NAI 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；296 K；100 mM Bis-Tris pH 6.0, 23% (w/v) PEG 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 0.01 mM n-tetradecyl-beta-D-maltopyranoside
Resolution 3.21 Å R-free 0.231
6I1P Respiratory complex I from Thermus thermophilus with bound NADH Deposited 2018-10-29 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain D 1–783（783 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 NAI 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；296 K；100 mM Bis-Tris pH 6.0, 23% (w/v) PEG 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 0.01 mM n-tetradecyl-beta-D-maltopyranoside
Resolution 3.21 Å R-free 0.231
6Q8O Respiratory complex I from Thermus thermophilus with bound Piericidin A Deposited 2018-12-15 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain 3 1–783（783 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 HQH Piericidin A × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；296 K；100 mM Bis-Tris pH 6.0, 24% (w/v) PEG 4000, 100 mM KCl, 100 mM glutaric acid and 0.59 mM n-undecyl-beta-maltoside
Resolution 3.60 Å R-free 0.235
6Q8O Respiratory complex I from Thermus thermophilus with bound Piericidin A Deposited 2018-12-15 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain D 1–783（783 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 HQH Piericidin A × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；296 K；100 mM Bis-Tris pH 6.0, 24% (w/v) PEG 4000, 100 mM KCl, 100 mM glutaric acid and 0.59 mM n-undecyl-beta-maltoside
Resolution 3.60 Å R-free 0.235
6Q8W Respiratory complex I from Thermus thermophilus with bound Aureothin. Deposited 2018-12-16 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain 3 1–783（783 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 HQW Aureothin × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；296 K；100 mM Bis-Tris pH 6.0, 25% (w/v) PEG 4000, 100 mM KCl, 100 mM glutaric acid and 7.6 mM 4-cyclohexyl-1-butyl-beta-D-maltoside
Resolution 3.40 Å R-free 0.234
6Q8W Respiratory complex I from Thermus thermophilus with bound Aureothin. Deposited 2018-12-16 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain D 1–783（783 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 HQW Aureothin × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；296 K；100 mM Bis-Tris pH 6.0, 25% (w/v) PEG 4000, 100 mM KCl, 100 mM glutaric acid and 7.6 mM 4-cyclohexyl-1-butyl-beta-D-maltoside
Resolution 3.40 Å R-free 0.234
6Q8X Respiratory complex I from Thermus thermophilus with bound Pyridaben. Deposited 2018-12-16 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain 3 1–783（783 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 HQK Pyridaben × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；296 K；100 mM Bis-Tris pH 6.0, 21% (w/v) PEG 4000, 100 mM KCl, 100 mM glutaric acid and 1.02 mM octyl-maltoside fluorinated
Resolution 3.51 Å R-free 0.232
6Q8X Respiratory complex I from Thermus thermophilus with bound Pyridaben. Deposited 2018-12-16 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain D 1–783（783 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 HQK Pyridaben × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；296 K；100 mM Bis-Tris pH 6.0, 21% (w/v) PEG 4000, 100 mM KCl, 100 mM glutaric acid and 1.02 mM octyl-maltoside fluorinated
Resolution 3.51 Å R-free 0.232
6Y11 Respiratory complex I from Thermus thermophilus Deposited 2020-02-10 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain 3 1–783（783 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；295 K；100 mM Bis-Tris pH 6.0, 26% (w/v) polyethylene glycol (PEG) 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 0.6% DDM
Resolution 3.11 Å R-free 0.229
6Y11 Respiratory complex I from Thermus thermophilus Deposited 2020-02-10 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain D 1–783（783 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；295 K；100 mM Bis-Tris pH 6.0, 26% (w/v) polyethylene glycol (PEG) 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 0.6% DDM
Resolution 3.11 Å R-free 0.229
6ZIY Respiratory complex I from Thermus thermophilus, NADH dataset, major state Deposited 2020-06-26 Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 15 PDB declaration: pentadecameric
Chain 3 1–783（783 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 NAI 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.25 Å
6ZJL Respiratory complex I from Thermus thermophilus, NAD+ dataset, major state Deposited 2020-06-29 Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 15 PDB declaration: pentadecameric
Chain 3 1–783（783 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.30 Å
6ZJN Respiratory complex I from Thermus thermophilus, NADH dataset, minor state Deposited 2020-06-29 Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 15 PDB declaration: pentadecameric
Chain 3 1–783（783 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FES FE2/S2 (INORGANIC) CLUSTER × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.10 Å
6ZJY Respiratory complex I from Thermus thermophilus, NAD+ dataset, minor state Deposited 2020-06-29 Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 15 PDB declaration: pentadecameric
Chain 3 1–783（783 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FES FE2/S2 (INORGANIC) CLUSTER × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 5.50 Å

16 other PDB entries and 29 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name NQO3_THET8
Isoform —
PDB entities 3
Chains and sequence ranges Author chain 3； PDBConstruct 1–783； UniProt 1–783 Author chain C； PDBConstruct 1–783； UniProt 1–783 Author chain L； PDBConstruct 1–783； UniProt 1–783 Author chain U； PDBConstruct 1–783； UniProt 1–783

NADH-quinone oxidoreductase subunit 4

OrganismNot specified

UniProt Q56220

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 8 PDB declaration: octameric（8） Consistent with protein copy count Chain 4； UniProt 1–409 Not recorded NADH-quinone oxidoreductase subunit 1 × 1 （Q56222） NADH-quinone oxidoreductase subunit 2 × 1 （Q56221） NADH-quinone oxidoreductase subunit 3 × 1 （Q56223） NADH-quinone oxidoreductase subunit 5 × 1 （Q56219） NADH-quinone oxidoreductase subunit 6 × 1 （Q56218） NADH-quinone oxidoreductase subunit 9 × 1 （Q56224） NADH-quinone oxidoreductase subunit 15 × 1 （Q5SKZ7） SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 CA CALCIUM ION × 4 X-RAY DIFFRACTION X-ray crystallization conditions：VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1 M HEPES pH 7.5, 0.4 M NaCl, 0.1 M CaCl2, 8% PEG4000, VAPOR DIFFUSION, SITTING DROP, temperature 295K Resolution 3.15 Å R-free 0.270
2 Protein heterocomplex Heteromer Protein × 8 PDB declaration: octameric（8） Consistent with protein copy count Chain D； UniProt 1–409 Not recorded NADH-quinone oxidoreductase subunit 1 × 1 （Q56222） NADH-quinone oxidoreductase subunit 2 × 1 （Q56221） NADH-quinone oxidoreductase subunit 3 × 1 （Q56223） NADH-quinone oxidoreductase subunit 5 × 1 （Q56219） NADH-quinone oxidoreductase subunit 6 × 1 （Q56218） NADH-quinone oxidoreductase subunit 9 × 1 （Q56224） NADH-quinone oxidoreductase subunit 15 × 1 （Q5SKZ7） SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 CA CALCIUM ION × 4 X-RAY DIFFRACTION X-ray crystallization conditions：VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1 M HEPES pH 7.5, 0.4 M NaCl, 0.1 M CaCl2, 8% PEG4000, VAPOR DIFFUSION, SITTING DROP, temperature 295K Resolution 3.15 Å R-free 0.270
3 Protein heterocomplex Heteromer Protein × 8 PDB declaration: octameric（8） Consistent with protein copy count Chain M； UniProt 1–409 Not recorded NADH-quinone oxidoreductase subunit 1 × 1 （Q56222） NADH-quinone oxidoreductase subunit 2 × 1 （Q56221） NADH-quinone oxidoreductase subunit 3 × 1 （Q56223） NADH-quinone oxidoreductase subunit 5 × 1 （Q56219） NADH-quinone oxidoreductase subunit 6 × 1 （Q56218） NADH-quinone oxidoreductase subunit 9 × 1 （Q56224） NADH-quinone oxidoreductase subunit 15 × 1 （Q5SKZ7） SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 CA CALCIUM ION × 4 X-RAY DIFFRACTION X-ray crystallization conditions：VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1 M HEPES pH 7.5, 0.4 M NaCl, 0.1 M CaCl2, 8% PEG4000, VAPOR DIFFUSION, SITTING DROP, temperature 295K Resolution 3.15 Å R-free 0.270
4 Protein heterocomplex Heteromer Protein × 8 PDB declaration: octameric（8） Consistent with protein copy count Chain V； UniProt 1–409 Not recorded NADH-quinone oxidoreductase subunit 1 × 1 （Q56222） NADH-quinone oxidoreductase subunit 2 × 1 （Q56221） NADH-quinone oxidoreductase subunit 3 × 1 （Q56223） NADH-quinone oxidoreductase subunit 5 × 1 （Q56219） NADH-quinone oxidoreductase subunit 6 × 1 （Q56218） NADH-quinone oxidoreductase subunit 9 × 1 （Q56224） NADH-quinone oxidoreductase subunit 15 × 1 （Q5SKZ7） SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 CA CALCIUM ION × 4 X-RAY DIFFRACTION X-ray crystallization conditions：VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1 M HEPES pH 7.5, 0.4 M NaCl, 0.1 M CaCl2, 8% PEG4000, VAPOR DIFFUSION, SITTING DROP, temperature 295K Resolution 3.15 Å R-free 0.270

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

Other PDB Difference from Current Entry 3IAS Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Method and Experimental Conditions Structure Quality
2FUG Crystal structure of the hydrophilic domain of respiratory complex I from Thermus thermophilus Deposited 2006-01-26 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric
Chain 4 1–409（409 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FES FE2/S2 (INORGANIC) CLUSTER × 2 FMN FLAVIN MONONUCLEOTIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1M HEPES pH 7.5, 0.4-0.5M NaCl, 0.1M CaCl2 and 8-10% PEG4000, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 3.30 Å R-free 0.298
2FUG Crystal structure of the hydrophilic domain of respiratory complex I from Thermus thermophilus Deposited 2006-01-26 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric
Chain D 1–409（409 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FES FE2/S2 (INORGANIC) CLUSTER × 2 FMN FLAVIN MONONUCLEOTIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1M HEPES pH 7.5, 0.4-0.5M NaCl, 0.1M CaCl2 and 8-10% PEG4000, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 3.30 Å R-free 0.298
2FUG Crystal structure of the hydrophilic domain of respiratory complex I from Thermus thermophilus Deposited 2006-01-26 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 3 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric
Chain M 1–409（409 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FES FE2/S2 (INORGANIC) CLUSTER × 2 FMN FLAVIN MONONUCLEOTIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1M HEPES pH 7.5, 0.4-0.5M NaCl, 0.1M CaCl2 and 8-10% PEG4000, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 3.30 Å R-free 0.298
2FUG Crystal structure of the hydrophilic domain of respiratory complex I from Thermus thermophilus Deposited 2006-01-26 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 4 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric
Chain V 1–409（409 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FES FE2/S2 (INORGANIC) CLUSTER × 2 FMN FLAVIN MONONUCLEOTIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1M HEPES pH 7.5, 0.4-0.5M NaCl, 0.1M CaCl2 and 8-10% PEG4000, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 3.30 Å R-free 0.298
2YBB Fitted model for bovine mitochondrial supercomplex I1III2IV1 by single particle cryo-EM (EMD-1876) Deposited 2011-03-02 Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 48 PDB declaration: 48-meric
Chain 4 1–409（409 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 NAI 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 MG MAGNESIUM ION × 7 FES FE2/S2 (INORGANIC) CLUSTER × 4 CA CALCIUM ION × 1 HEM PROTOPORPHYRIN IX CONTAINING FE × 5 SMA STIGMATELLIN A × 2 UQ1 UBIQUINONE-1 × 2 HEC HEME C × 2 CDL CARDIOLIPIN × 4 HEA HEME-A × 2 CU COPPER (II) ION × 3 ZN ZINC ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer 10 MM KCL, 15 MM HEPES, RESIDUAL TREHALOSE；pH 7.7；10 MM KCL, 15 MM HEPES, RESIDUAL TREHALOSE
cryo-EM vitrification conditions Cryogen ETHANE；VITRIFICATION 1 -- CRYOGEN- ETHANE, HUMIDITY- 70, TEMPERATURE- 95, INSTRUMENT- CUSTOM-MADE HAND PLUNGER, METHOD- ONE- SIDED BLOTTING FOR 26 - 30 SECONDS BEFORE PLUNGING, DETAILS- SAMPLE WAS ADSORBED TO CARBON FILM FOR 30 SECONDS BEFORE BLOTTING
Resolution 19.00 Å
3I9V Crystal structure of the hydrophilic domain of respiratory complex I from Thermus thermophilus, oxidized, 2 mol/ASU Deposited 2009-07-13 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric
Chain 4 1–409（409 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 MN MANGANESE (II) ION × 7 CA CALCIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1 M HEPES pH 7.5, 0.4 M NaCl, 0.1 M MnCl2, 6% PEG4000, 2.5% PEG400, 20 mM NAD+, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 3.10 Å R-free 0.283
3I9V Crystal structure of the hydrophilic domain of respiratory complex I from Thermus thermophilus, oxidized, 2 mol/ASU Deposited 2009-07-13 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric
Chain D 1–409（409 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 MN MANGANESE (II) ION × 5 CA CALCIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1 M HEPES pH 7.5, 0.4 M NaCl, 0.1 M MnCl2, 6% PEG4000, 2.5% PEG400, 20 mM NAD+, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 3.10 Å R-free 0.283
3IAM Crystal structure of the hydrophilic domain of respiratory complex I from Thermus thermophilus, reduced, 2 mol/ASU, with bound NADH Deposited 2009-07-14 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric
Chain 4 1–409（409 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 NAI 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 MG MAGNESIUM ION × 6 FES FE2/S2 (INORGANIC) CLUSTER × 2 CA CALCIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1 M HEPES pH 7.5, 0.05 M NaCl, 0.1 M MgCl2, 7% PEG4000, 3 mM NADH, 5 mM sodium dithionite, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 3.10 Å R-free 0.262
3IAM Crystal structure of the hydrophilic domain of respiratory complex I from Thermus thermophilus, reduced, 2 mol/ASU, with bound NADH Deposited 2009-07-14 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric
Chain D 1–409（409 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 NAI 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 MG MAGNESIUM ION × 4 FES FE2/S2 (INORGANIC) CLUSTER × 2 CA CALCIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1 M HEPES pH 7.5, 0.05 M NaCl, 0.1 M MgCl2, 7% PEG4000, 3 mM NADH, 5 mM sodium dithionite, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 3.10 Å R-free 0.262
3M9S Crystal structure of respiratory complex I from Thermus thermophilus Deposited 2010-03-22 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 13 PDB declaration: tridecameric
Chain 4 1–409（409 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；295 K；16% PEG 4000, 100 mM Bis-Tris, 100 mM KCl, 100 mM glutaric acid and 2.04 mM n-octyl- -maltoside fluorinated, pH 6.0, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 4.50 Å
3M9S Crystal structure of respiratory complex I from Thermus thermophilus Deposited 2010-03-22 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 13 PDB declaration: tridecameric
Chain D 1–409（409 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；295 K；16% PEG 4000, 100 mM Bis-Tris, 100 mM KCl, 100 mM glutaric acid and 2.04 mM n-octyl- -maltoside fluorinated, pH 6.0, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 4.50 Å
4HEA Crystal structure of the entire respiratory complex I from Thermus thermophilus Deposited 2012-10-03 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain 4 1–409（409 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；295 K；100 mM Bis-Tris pH 6.0, 19% (w/v) polyethylene glycol (PEG) 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 2.2 mM FOS-CHOLINE-8 fluorinated , VAPOR DIFFUSION, SITTING DROP, temperature 295K
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；295 K；100 mM Bis-Tris pH 6.0, 24% (w/v) polyethylene glycol (PEG) 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 50 mM NDSB-201, VAPOR DIFFUSION, SITTING DROP, temperature 295K
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；295 K；100 mM Bis-Tris pH 6.0, 26% (w/v) polyethylene glycol (PEG) 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 0.6% DDM, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 3.30 Å R-free 0.239
4HEA Crystal structure of the entire respiratory complex I from Thermus thermophilus Deposited 2012-10-03 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain E 1–409（409 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；295 K；100 mM Bis-Tris pH 6.0, 19% (w/v) polyethylene glycol (PEG) 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 2.2 mM FOS-CHOLINE-8 fluorinated , VAPOR DIFFUSION, SITTING DROP, temperature 295K
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；295 K；100 mM Bis-Tris pH 6.0, 24% (w/v) polyethylene glycol (PEG) 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 50 mM NDSB-201, VAPOR DIFFUSION, SITTING DROP, temperature 295K
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；295 K；100 mM Bis-Tris pH 6.0, 26% (w/v) polyethylene glycol (PEG) 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 0.6% DDM, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 3.30 Å R-free 0.239
6I0D Respiratory complex I from Thermus thermophilus with bound Decyl-Ubiquinone Deposited 2018-10-25 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain 4 1–409（409 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 DCQ 2-decyl-5,6-dimethoxy-3-methylcyclohexa-2,5-diene-1,4-dione × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；296 K；100 mM Bis-Tris pH 6.0, 23% (w/v) polyethylene glycol (PEG) 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 50 mM NDSB-201
Resolution 3.60 Å R-free 0.225
6I0D Respiratory complex I from Thermus thermophilus with bound Decyl-Ubiquinone Deposited 2018-10-25 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain E 1–409（409 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 DCQ 2-decyl-5,6-dimethoxy-3-methylcyclohexa-2,5-diene-1,4-dione × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；296 K；100 mM Bis-Tris pH 6.0, 23% (w/v) polyethylene glycol (PEG) 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 50 mM NDSB-201
Resolution 3.60 Å R-free 0.225
6I1P Respiratory complex I from Thermus thermophilus with bound NADH Deposited 2018-10-29 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain 4 1–409（409 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 NAI 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；296 K；100 mM Bis-Tris pH 6.0, 23% (w/v) PEG 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 0.01 mM n-tetradecyl-beta-D-maltopyranoside
Resolution 3.21 Å R-free 0.231
6I1P Respiratory complex I from Thermus thermophilus with bound NADH Deposited 2018-10-29 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain E 1–409（409 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 NAI 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；296 K；100 mM Bis-Tris pH 6.0, 23% (w/v) PEG 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 0.01 mM n-tetradecyl-beta-D-maltopyranoside
Resolution 3.21 Å R-free 0.231
6Q8O Respiratory complex I from Thermus thermophilus with bound Piericidin A Deposited 2018-12-15 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain 4 1–409（409 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 HQH Piericidin A × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；296 K；100 mM Bis-Tris pH 6.0, 24% (w/v) PEG 4000, 100 mM KCl, 100 mM glutaric acid and 0.59 mM n-undecyl-beta-maltoside
Resolution 3.60 Å R-free 0.235
6Q8O Respiratory complex I from Thermus thermophilus with bound Piericidin A Deposited 2018-12-15 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain E 1–409（409 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 HQH Piericidin A × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；296 K；100 mM Bis-Tris pH 6.0, 24% (w/v) PEG 4000, 100 mM KCl, 100 mM glutaric acid and 0.59 mM n-undecyl-beta-maltoside
Resolution 3.60 Å R-free 0.235
6Q8W Respiratory complex I from Thermus thermophilus with bound Aureothin. Deposited 2018-12-16 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain 4 1–409（409 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 HQW Aureothin × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；296 K；100 mM Bis-Tris pH 6.0, 25% (w/v) PEG 4000, 100 mM KCl, 100 mM glutaric acid and 7.6 mM 4-cyclohexyl-1-butyl-beta-D-maltoside
Resolution 3.40 Å R-free 0.234
6Q8W Respiratory complex I from Thermus thermophilus with bound Aureothin. Deposited 2018-12-16 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain E 1–409（409 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 HQW Aureothin × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；296 K；100 mM Bis-Tris pH 6.0, 25% (w/v) PEG 4000, 100 mM KCl, 100 mM glutaric acid and 7.6 mM 4-cyclohexyl-1-butyl-beta-D-maltoside
Resolution 3.40 Å R-free 0.234
6Q8X Respiratory complex I from Thermus thermophilus with bound Pyridaben. Deposited 2018-12-16 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain 4 1–409（409 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 HQK Pyridaben × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；296 K；100 mM Bis-Tris pH 6.0, 21% (w/v) PEG 4000, 100 mM KCl, 100 mM glutaric acid and 1.02 mM octyl-maltoside fluorinated
Resolution 3.51 Å R-free 0.232
6Q8X Respiratory complex I from Thermus thermophilus with bound Pyridaben. Deposited 2018-12-16 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain E 1–409（409 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 HQK Pyridaben × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；296 K；100 mM Bis-Tris pH 6.0, 21% (w/v) PEG 4000, 100 mM KCl, 100 mM glutaric acid and 1.02 mM octyl-maltoside fluorinated
Resolution 3.51 Å R-free 0.232
6Y11 Respiratory complex I from Thermus thermophilus Deposited 2020-02-10 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain 4 1–409（409 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；295 K；100 mM Bis-Tris pH 6.0, 26% (w/v) polyethylene glycol (PEG) 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 0.6% DDM
Resolution 3.11 Å R-free 0.229
6Y11 Respiratory complex I from Thermus thermophilus Deposited 2020-02-10 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain E 1–409（409 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；295 K；100 mM Bis-Tris pH 6.0, 26% (w/v) polyethylene glycol (PEG) 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 0.6% DDM
Resolution 3.11 Å R-free 0.229
6ZIY Respiratory complex I from Thermus thermophilus, NADH dataset, major state Deposited 2020-06-26 Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 15 PDB declaration: pentadecameric
Chain 4 1–409（409 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 NAI 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.25 Å
6ZJL Respiratory complex I from Thermus thermophilus, NAD+ dataset, major state Deposited 2020-06-29 Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 15 PDB declaration: pentadecameric
Chain 4 1–409（409 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.30 Å
6ZJN Respiratory complex I from Thermus thermophilus, NADH dataset, minor state Deposited 2020-06-29 Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 15 PDB declaration: pentadecameric
Chain 4 1–409（409 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FES FE2/S2 (INORGANIC) CLUSTER × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.10 Å
6ZJY Respiratory complex I from Thermus thermophilus, NAD+ dataset, minor state Deposited 2020-06-29 Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 15 PDB declaration: pentadecameric
Chain 4 1–409（409 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FES FE2/S2 (INORGANIC) CLUSTER × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 5.50 Å

16 other PDB entries and 29 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name NQO4_THET8
Isoform —
PDB entities 4
Chains and sequence ranges Author chain 4； PDBConstruct 1–409； UniProt 1–409 Author chain D； PDBConstruct 1–409； UniProt 1–409 Author chain M； PDBConstruct 1–409； UniProt 1–409 Author chain V； PDBConstruct 1–409； UniProt 1–409

NADH-quinone oxidoreductase subunit 5

OrganismNot specified

UniProt Q56219

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 8 PDB declaration: octameric（8） Consistent with protein copy count Chain 5； UniProt 1–207 Not recorded NADH-quinone oxidoreductase subunit 1 × 1 （Q56222） NADH-quinone oxidoreductase subunit 2 × 1 （Q56221） NADH-quinone oxidoreductase subunit 3 × 1 （Q56223） NADH-quinone oxidoreductase subunit 4 × 1 （Q56220） NADH-quinone oxidoreductase subunit 6 × 1 （Q56218） NADH-quinone oxidoreductase subunit 9 × 1 （Q56224） NADH-quinone oxidoreductase subunit 15 × 1 （Q5SKZ7） SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 CA CALCIUM ION × 4 X-RAY DIFFRACTION X-ray crystallization conditions：VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1 M HEPES pH 7.5, 0.4 M NaCl, 0.1 M CaCl2, 8% PEG4000, VAPOR DIFFUSION, SITTING DROP, temperature 295K Resolution 3.15 Å R-free 0.270
2 Protein heterocomplex Heteromer Protein × 8 PDB declaration: octameric（8） Consistent with protein copy count Chain E； UniProt 1–207 Not recorded NADH-quinone oxidoreductase subunit 1 × 1 （Q56222） NADH-quinone oxidoreductase subunit 2 × 1 （Q56221） NADH-quinone oxidoreductase subunit 3 × 1 （Q56223） NADH-quinone oxidoreductase subunit 4 × 1 （Q56220） NADH-quinone oxidoreductase subunit 6 × 1 （Q56218） NADH-quinone oxidoreductase subunit 9 × 1 （Q56224） NADH-quinone oxidoreductase subunit 15 × 1 （Q5SKZ7） SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 CA CALCIUM ION × 4 X-RAY DIFFRACTION X-ray crystallization conditions：VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1 M HEPES pH 7.5, 0.4 M NaCl, 0.1 M CaCl2, 8% PEG4000, VAPOR DIFFUSION, SITTING DROP, temperature 295K Resolution 3.15 Å R-free 0.270
3 Protein heterocomplex Heteromer Protein × 8 PDB declaration: octameric（8） Consistent with protein copy count Chain N； UniProt 1–207 Not recorded NADH-quinone oxidoreductase subunit 1 × 1 （Q56222） NADH-quinone oxidoreductase subunit 2 × 1 （Q56221） NADH-quinone oxidoreductase subunit 3 × 1 （Q56223） NADH-quinone oxidoreductase subunit 4 × 1 （Q56220） NADH-quinone oxidoreductase subunit 6 × 1 （Q56218） NADH-quinone oxidoreductase subunit 9 × 1 （Q56224） NADH-quinone oxidoreductase subunit 15 × 1 （Q5SKZ7） SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 CA CALCIUM ION × 4 X-RAY DIFFRACTION X-ray crystallization conditions：VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1 M HEPES pH 7.5, 0.4 M NaCl, 0.1 M CaCl2, 8% PEG4000, VAPOR DIFFUSION, SITTING DROP, temperature 295K Resolution 3.15 Å R-free 0.270
4 Protein heterocomplex Heteromer Protein × 8 PDB declaration: octameric（8） Consistent with protein copy count Chain W； UniProt 1–207 Not recorded NADH-quinone oxidoreductase subunit 1 × 1 （Q56222） NADH-quinone oxidoreductase subunit 2 × 1 （Q56221） NADH-quinone oxidoreductase subunit 3 × 1 （Q56223） NADH-quinone oxidoreductase subunit 4 × 1 （Q56220） NADH-quinone oxidoreductase subunit 6 × 1 （Q56218） NADH-quinone oxidoreductase subunit 9 × 1 （Q56224） NADH-quinone oxidoreductase subunit 15 × 1 （Q5SKZ7） SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 CA CALCIUM ION × 4 X-RAY DIFFRACTION X-ray crystallization conditions：VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1 M HEPES pH 7.5, 0.4 M NaCl, 0.1 M CaCl2, 8% PEG4000, VAPOR DIFFUSION, SITTING DROP, temperature 295K Resolution 3.15 Å R-free 0.270

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

Other PDB Difference from Current Entry 3IAS Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Method and Experimental Conditions Structure Quality
2FUG Crystal structure of the hydrophilic domain of respiratory complex I from Thermus thermophilus Deposited 2006-01-26 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric
Chain 5 1–207（207 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FES FE2/S2 (INORGANIC) CLUSTER × 2 FMN FLAVIN MONONUCLEOTIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1M HEPES pH 7.5, 0.4-0.5M NaCl, 0.1M CaCl2 and 8-10% PEG4000, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 3.30 Å R-free 0.298
2FUG Crystal structure of the hydrophilic domain of respiratory complex I from Thermus thermophilus Deposited 2006-01-26 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric
Chain E 1–207（207 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FES FE2/S2 (INORGANIC) CLUSTER × 2 FMN FLAVIN MONONUCLEOTIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1M HEPES pH 7.5, 0.4-0.5M NaCl, 0.1M CaCl2 and 8-10% PEG4000, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 3.30 Å R-free 0.298
2FUG Crystal structure of the hydrophilic domain of respiratory complex I from Thermus thermophilus Deposited 2006-01-26 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 3 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric
Chain N 1–207（207 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FES FE2/S2 (INORGANIC) CLUSTER × 2 FMN FLAVIN MONONUCLEOTIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1M HEPES pH 7.5, 0.4-0.5M NaCl, 0.1M CaCl2 and 8-10% PEG4000, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 3.30 Å R-free 0.298
2FUG Crystal structure of the hydrophilic domain of respiratory complex I from Thermus thermophilus Deposited 2006-01-26 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 4 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric
Chain W 1–207（207 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FES FE2/S2 (INORGANIC) CLUSTER × 2 FMN FLAVIN MONONUCLEOTIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1M HEPES pH 7.5, 0.4-0.5M NaCl, 0.1M CaCl2 and 8-10% PEG4000, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 3.30 Å R-free 0.298
2YBB Fitted model for bovine mitochondrial supercomplex I1III2IV1 by single particle cryo-EM (EMD-1876) Deposited 2011-03-02 Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 48 PDB declaration: 48-meric
Chain 5 1–207（207 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 NAI 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 MG MAGNESIUM ION × 7 FES FE2/S2 (INORGANIC) CLUSTER × 4 CA CALCIUM ION × 1 HEM PROTOPORPHYRIN IX CONTAINING FE × 5 SMA STIGMATELLIN A × 2 UQ1 UBIQUINONE-1 × 2 HEC HEME C × 2 CDL CARDIOLIPIN × 4 HEA HEME-A × 2 CU COPPER (II) ION × 3 ZN ZINC ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer 10 MM KCL, 15 MM HEPES, RESIDUAL TREHALOSE；pH 7.7；10 MM KCL, 15 MM HEPES, RESIDUAL TREHALOSE
cryo-EM vitrification conditions Cryogen ETHANE；VITRIFICATION 1 -- CRYOGEN- ETHANE, HUMIDITY- 70, TEMPERATURE- 95, INSTRUMENT- CUSTOM-MADE HAND PLUNGER, METHOD- ONE- SIDED BLOTTING FOR 26 - 30 SECONDS BEFORE PLUNGING, DETAILS- SAMPLE WAS ADSORBED TO CARBON FILM FOR 30 SECONDS BEFORE BLOTTING
Resolution 19.00 Å
3I9V Crystal structure of the hydrophilic domain of respiratory complex I from Thermus thermophilus, oxidized, 2 mol/ASU Deposited 2009-07-13 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric
Chain 5 1–207（207 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 MN MANGANESE (II) ION × 7 CA CALCIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1 M HEPES pH 7.5, 0.4 M NaCl, 0.1 M MnCl2, 6% PEG4000, 2.5% PEG400, 20 mM NAD+, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 3.10 Å R-free 0.283
3I9V Crystal structure of the hydrophilic domain of respiratory complex I from Thermus thermophilus, oxidized, 2 mol/ASU Deposited 2009-07-13 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric
Chain E 1–207（207 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 MN MANGANESE (II) ION × 5 CA CALCIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1 M HEPES pH 7.5, 0.4 M NaCl, 0.1 M MnCl2, 6% PEG4000, 2.5% PEG400, 20 mM NAD+, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 3.10 Å R-free 0.283
3IAM Crystal structure of the hydrophilic domain of respiratory complex I from Thermus thermophilus, reduced, 2 mol/ASU, with bound NADH Deposited 2009-07-14 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric
Chain 5 1–207（207 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 NAI 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 MG MAGNESIUM ION × 6 FES FE2/S2 (INORGANIC) CLUSTER × 2 CA CALCIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1 M HEPES pH 7.5, 0.05 M NaCl, 0.1 M MgCl2, 7% PEG4000, 3 mM NADH, 5 mM sodium dithionite, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 3.10 Å R-free 0.262
3IAM Crystal structure of the hydrophilic domain of respiratory complex I from Thermus thermophilus, reduced, 2 mol/ASU, with bound NADH Deposited 2009-07-14 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric
Chain E 1–207（207 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 NAI 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 MG MAGNESIUM ION × 4 FES FE2/S2 (INORGANIC) CLUSTER × 2 CA CALCIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1 M HEPES pH 7.5, 0.05 M NaCl, 0.1 M MgCl2, 7% PEG4000, 3 mM NADH, 5 mM sodium dithionite, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 3.10 Å R-free 0.262
3M9S Crystal structure of respiratory complex I from Thermus thermophilus Deposited 2010-03-22 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 13 PDB declaration: tridecameric
Chain 5 1–207（207 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；295 K；16% PEG 4000, 100 mM Bis-Tris, 100 mM KCl, 100 mM glutaric acid and 2.04 mM n-octyl- -maltoside fluorinated, pH 6.0, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 4.50 Å
3M9S Crystal structure of respiratory complex I from Thermus thermophilus Deposited 2010-03-22 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 13 PDB declaration: tridecameric
Chain E 1–207（207 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；295 K；16% PEG 4000, 100 mM Bis-Tris, 100 mM KCl, 100 mM glutaric acid and 2.04 mM n-octyl- -maltoside fluorinated, pH 6.0, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 4.50 Å
4HEA Crystal structure of the entire respiratory complex I from Thermus thermophilus Deposited 2012-10-03 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain 5 1–207（207 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；295 K；100 mM Bis-Tris pH 6.0, 19% (w/v) polyethylene glycol (PEG) 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 2.2 mM FOS-CHOLINE-8 fluorinated , VAPOR DIFFUSION, SITTING DROP, temperature 295K
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；295 K；100 mM Bis-Tris pH 6.0, 24% (w/v) polyethylene glycol (PEG) 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 50 mM NDSB-201, VAPOR DIFFUSION, SITTING DROP, temperature 295K
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；295 K；100 mM Bis-Tris pH 6.0, 26% (w/v) polyethylene glycol (PEG) 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 0.6% DDM, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 3.30 Å R-free 0.239
4HEA Crystal structure of the entire respiratory complex I from Thermus thermophilus Deposited 2012-10-03 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain F 1–207（207 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；295 K；100 mM Bis-Tris pH 6.0, 19% (w/v) polyethylene glycol (PEG) 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 2.2 mM FOS-CHOLINE-8 fluorinated , VAPOR DIFFUSION, SITTING DROP, temperature 295K
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；295 K；100 mM Bis-Tris pH 6.0, 24% (w/v) polyethylene glycol (PEG) 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 50 mM NDSB-201, VAPOR DIFFUSION, SITTING DROP, temperature 295K
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；295 K；100 mM Bis-Tris pH 6.0, 26% (w/v) polyethylene glycol (PEG) 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 0.6% DDM, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 3.30 Å R-free 0.239
5B3P Nqo5 of the trypsin-resistant fragment (1-134) in P212121 form Deposited 2016-03-09 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 1–134（134 aa） Fragment：UNP residues 1-134
Not recorded CA CALCIUM ION × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8；293 K；200mM calcium chloride, 25% PEG 4000
Resolution 1.65 Å R-free 0.209
5B3Q Nqo5 of the trypsin-resistant fragment (1-134) in P63 form Deposited 2016-03-09 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 1–134（134 aa） Fragment：UNP residues 1-134
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8；293 K；10% PEG 1000, 10% PEG 8000
Resolution 3.00 Å R-free 0.234
6I0D Respiratory complex I from Thermus thermophilus with bound Decyl-Ubiquinone Deposited 2018-10-25 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain 5 1–207（207 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 DCQ 2-decyl-5,6-dimethoxy-3-methylcyclohexa-2,5-diene-1,4-dione × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；296 K；100 mM Bis-Tris pH 6.0, 23% (w/v) polyethylene glycol (PEG) 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 50 mM NDSB-201
Resolution 3.60 Å R-free 0.225
6I0D Respiratory complex I from Thermus thermophilus with bound Decyl-Ubiquinone Deposited 2018-10-25 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain F 1–207（207 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 DCQ 2-decyl-5,6-dimethoxy-3-methylcyclohexa-2,5-diene-1,4-dione × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；296 K；100 mM Bis-Tris pH 6.0, 23% (w/v) polyethylene glycol (PEG) 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 50 mM NDSB-201
Resolution 3.60 Å R-free 0.225
6I1P Respiratory complex I from Thermus thermophilus with bound NADH Deposited 2018-10-29 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain 5 1–207（207 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 NAI 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；296 K；100 mM Bis-Tris pH 6.0, 23% (w/v) PEG 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 0.01 mM n-tetradecyl-beta-D-maltopyranoside
Resolution 3.21 Å R-free 0.231
6I1P Respiratory complex I from Thermus thermophilus with bound NADH Deposited 2018-10-29 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain F 1–207（207 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 NAI 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；296 K；100 mM Bis-Tris pH 6.0, 23% (w/v) PEG 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 0.01 mM n-tetradecyl-beta-D-maltopyranoside
Resolution 3.21 Å R-free 0.231
6Q8O Respiratory complex I from Thermus thermophilus with bound Piericidin A Deposited 2018-12-15 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain 5 1–207（207 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 HQH Piericidin A × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；296 K；100 mM Bis-Tris pH 6.0, 24% (w/v) PEG 4000, 100 mM KCl, 100 mM glutaric acid and 0.59 mM n-undecyl-beta-maltoside
Resolution 3.60 Å R-free 0.235
6Q8O Respiratory complex I from Thermus thermophilus with bound Piericidin A Deposited 2018-12-15 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain F 1–207（207 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 HQH Piericidin A × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；296 K；100 mM Bis-Tris pH 6.0, 24% (w/v) PEG 4000, 100 mM KCl, 100 mM glutaric acid and 0.59 mM n-undecyl-beta-maltoside
Resolution 3.60 Å R-free 0.235
6Q8W Respiratory complex I from Thermus thermophilus with bound Aureothin. Deposited 2018-12-16 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain 5 1–207（207 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 HQW Aureothin × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；296 K；100 mM Bis-Tris pH 6.0, 25% (w/v) PEG 4000, 100 mM KCl, 100 mM glutaric acid and 7.6 mM 4-cyclohexyl-1-butyl-beta-D-maltoside
Resolution 3.40 Å R-free 0.234
6Q8W Respiratory complex I from Thermus thermophilus with bound Aureothin. Deposited 2018-12-16 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain F 1–207（207 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 HQW Aureothin × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；296 K；100 mM Bis-Tris pH 6.0, 25% (w/v) PEG 4000, 100 mM KCl, 100 mM glutaric acid and 7.6 mM 4-cyclohexyl-1-butyl-beta-D-maltoside
Resolution 3.40 Å R-free 0.234
6Q8X Respiratory complex I from Thermus thermophilus with bound Pyridaben. Deposited 2018-12-16 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain 5 1–207（207 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 HQK Pyridaben × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；296 K；100 mM Bis-Tris pH 6.0, 21% (w/v) PEG 4000, 100 mM KCl, 100 mM glutaric acid and 1.02 mM octyl-maltoside fluorinated
Resolution 3.51 Å R-free 0.232
6Q8X Respiratory complex I from Thermus thermophilus with bound Pyridaben. Deposited 2018-12-16 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain F 1–207（207 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 HQK Pyridaben × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；296 K；100 mM Bis-Tris pH 6.0, 21% (w/v) PEG 4000, 100 mM KCl, 100 mM glutaric acid and 1.02 mM octyl-maltoside fluorinated
Resolution 3.51 Å R-free 0.232
6Y11 Respiratory complex I from Thermus thermophilus Deposited 2020-02-10 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain 5 1–207（207 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；295 K；100 mM Bis-Tris pH 6.0, 26% (w/v) polyethylene glycol (PEG) 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 0.6% DDM
Resolution 3.11 Å R-free 0.229
6Y11 Respiratory complex I from Thermus thermophilus Deposited 2020-02-10 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain F 1–207（207 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；295 K；100 mM Bis-Tris pH 6.0, 26% (w/v) polyethylene glycol (PEG) 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 0.6% DDM
Resolution 3.11 Å R-free 0.229
6ZIY Respiratory complex I from Thermus thermophilus, NADH dataset, major state Deposited 2020-06-26 Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 15 PDB declaration: pentadecameric
Chain 5 1–207（207 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 NAI 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.25 Å
6ZJL Respiratory complex I from Thermus thermophilus, NAD+ dataset, major state Deposited 2020-06-29 Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 15 PDB declaration: pentadecameric
Chain 5 1–207（207 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.30 Å
6ZJN Respiratory complex I from Thermus thermophilus, NADH dataset, minor state Deposited 2020-06-29 Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 15 PDB declaration: pentadecameric
Chain 5 1–207（207 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FES FE2/S2 (INORGANIC) CLUSTER × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.10 Å
6ZJY Respiratory complex I from Thermus thermophilus, NAD+ dataset, minor state Deposited 2020-06-29 Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 15 PDB declaration: pentadecameric
Chain 5 1–207（207 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FES FE2/S2 (INORGANIC) CLUSTER × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 5.50 Å

18 other PDB entries and 31 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name NQO5_THET8
Isoform —
PDB entities 5
Chains and sequence ranges Author chain 5； PDBConstruct 1–207； UniProt 1–207 Author chain E； PDBConstruct 1–207； UniProt 1–207 Author chain N； PDBConstruct 1–207； UniProt 1–207 Author chain W； PDBConstruct 1–207； UniProt 1–207

NADH-quinone oxidoreductase subunit 6

OrganismNot specified

UniProt Q56218

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 8 PDB declaration: octameric（8） Consistent with protein copy count Chain 6； UniProt 1–181 Not recorded NADH-quinone oxidoreductase subunit 1 × 1 （Q56222） NADH-quinone oxidoreductase subunit 2 × 1 （Q56221） NADH-quinone oxidoreductase subunit 3 × 1 （Q56223） NADH-quinone oxidoreductase subunit 4 × 1 （Q56220） NADH-quinone oxidoreductase subunit 5 × 1 （Q56219） NADH-quinone oxidoreductase subunit 9 × 1 （Q56224） NADH-quinone oxidoreductase subunit 15 × 1 （Q5SKZ7） SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 CA CALCIUM ION × 4 X-RAY DIFFRACTION X-ray crystallization conditions：VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1 M HEPES pH 7.5, 0.4 M NaCl, 0.1 M CaCl2, 8% PEG4000, VAPOR DIFFUSION, SITTING DROP, temperature 295K Resolution 3.15 Å R-free 0.270
2 Protein heterocomplex Heteromer Protein × 8 PDB declaration: octameric（8） Consistent with protein copy count Chain F； UniProt 1–181 Not recorded NADH-quinone oxidoreductase subunit 1 × 1 （Q56222） NADH-quinone oxidoreductase subunit 2 × 1 （Q56221） NADH-quinone oxidoreductase subunit 3 × 1 （Q56223） NADH-quinone oxidoreductase subunit 4 × 1 （Q56220） NADH-quinone oxidoreductase subunit 5 × 1 （Q56219） NADH-quinone oxidoreductase subunit 9 × 1 （Q56224） NADH-quinone oxidoreductase subunit 15 × 1 （Q5SKZ7） SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 CA CALCIUM ION × 4 X-RAY DIFFRACTION X-ray crystallization conditions：VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1 M HEPES pH 7.5, 0.4 M NaCl, 0.1 M CaCl2, 8% PEG4000, VAPOR DIFFUSION, SITTING DROP, temperature 295K Resolution 3.15 Å R-free 0.270
3 Protein heterocomplex Heteromer Protein × 8 PDB declaration: octameric（8） Consistent with protein copy count Chain O； UniProt 1–181 Not recorded NADH-quinone oxidoreductase subunit 1 × 1 （Q56222） NADH-quinone oxidoreductase subunit 2 × 1 （Q56221） NADH-quinone oxidoreductase subunit 3 × 1 （Q56223） NADH-quinone oxidoreductase subunit 4 × 1 （Q56220） NADH-quinone oxidoreductase subunit 5 × 1 （Q56219） NADH-quinone oxidoreductase subunit 9 × 1 （Q56224） NADH-quinone oxidoreductase subunit 15 × 1 （Q5SKZ7） SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 CA CALCIUM ION × 4 X-RAY DIFFRACTION X-ray crystallization conditions：VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1 M HEPES pH 7.5, 0.4 M NaCl, 0.1 M CaCl2, 8% PEG4000, VAPOR DIFFUSION, SITTING DROP, temperature 295K Resolution 3.15 Å R-free 0.270
4 Protein heterocomplex Heteromer Protein × 8 PDB declaration: octameric（8） Consistent with protein copy count Chain X； UniProt 1–181 Not recorded NADH-quinone oxidoreductase subunit 1 × 1 （Q56222） NADH-quinone oxidoreductase subunit 2 × 1 （Q56221） NADH-quinone oxidoreductase subunit 3 × 1 （Q56223） NADH-quinone oxidoreductase subunit 4 × 1 （Q56220） NADH-quinone oxidoreductase subunit 5 × 1 （Q56219） NADH-quinone oxidoreductase subunit 9 × 1 （Q56224） NADH-quinone oxidoreductase subunit 15 × 1 （Q5SKZ7） SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 CA CALCIUM ION × 4 X-RAY DIFFRACTION X-ray crystallization conditions：VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1 M HEPES pH 7.5, 0.4 M NaCl, 0.1 M CaCl2, 8% PEG4000, VAPOR DIFFUSION, SITTING DROP, temperature 295K Resolution 3.15 Å R-free 0.270

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

Other PDB Difference from Current Entry 3IAS Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Method and Experimental Conditions Structure Quality
2FUG Crystal structure of the hydrophilic domain of respiratory complex I from Thermus thermophilus Deposited 2006-01-26 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric
Chain 6 1–181（181 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FES FE2/S2 (INORGANIC) CLUSTER × 2 FMN FLAVIN MONONUCLEOTIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1M HEPES pH 7.5, 0.4-0.5M NaCl, 0.1M CaCl2 and 8-10% PEG4000, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 3.30 Å R-free 0.298
2FUG Crystal structure of the hydrophilic domain of respiratory complex I from Thermus thermophilus Deposited 2006-01-26 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric
Chain F 1–181（181 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FES FE2/S2 (INORGANIC) CLUSTER × 2 FMN FLAVIN MONONUCLEOTIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1M HEPES pH 7.5, 0.4-0.5M NaCl, 0.1M CaCl2 and 8-10% PEG4000, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 3.30 Å R-free 0.298
2FUG Crystal structure of the hydrophilic domain of respiratory complex I from Thermus thermophilus Deposited 2006-01-26 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 3 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric
Chain O 1–181（181 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FES FE2/S2 (INORGANIC) CLUSTER × 2 FMN FLAVIN MONONUCLEOTIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1M HEPES pH 7.5, 0.4-0.5M NaCl, 0.1M CaCl2 and 8-10% PEG4000, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 3.30 Å R-free 0.298
2FUG Crystal structure of the hydrophilic domain of respiratory complex I from Thermus thermophilus Deposited 2006-01-26 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 4 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric
Chain X 1–181（181 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FES FE2/S2 (INORGANIC) CLUSTER × 2 FMN FLAVIN MONONUCLEOTIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1M HEPES pH 7.5, 0.4-0.5M NaCl, 0.1M CaCl2 and 8-10% PEG4000, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 3.30 Å R-free 0.298
2YBB Fitted model for bovine mitochondrial supercomplex I1III2IV1 by single particle cryo-EM (EMD-1876) Deposited 2011-03-02 Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 48 PDB declaration: 48-meric
Chain 6 1–181（181 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 NAI 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 MG MAGNESIUM ION × 7 FES FE2/S2 (INORGANIC) CLUSTER × 4 CA CALCIUM ION × 1 HEM PROTOPORPHYRIN IX CONTAINING FE × 5 SMA STIGMATELLIN A × 2 UQ1 UBIQUINONE-1 × 2 HEC HEME C × 2 CDL CARDIOLIPIN × 4 HEA HEME-A × 2 CU COPPER (II) ION × 3 ZN ZINC ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer 10 MM KCL, 15 MM HEPES, RESIDUAL TREHALOSE；pH 7.7；10 MM KCL, 15 MM HEPES, RESIDUAL TREHALOSE
cryo-EM vitrification conditions Cryogen ETHANE；VITRIFICATION 1 -- CRYOGEN- ETHANE, HUMIDITY- 70, TEMPERATURE- 95, INSTRUMENT- CUSTOM-MADE HAND PLUNGER, METHOD- ONE- SIDED BLOTTING FOR 26 - 30 SECONDS BEFORE PLUNGING, DETAILS- SAMPLE WAS ADSORBED TO CARBON FILM FOR 30 SECONDS BEFORE BLOTTING
Resolution 19.00 Å
3I9V Crystal structure of the hydrophilic domain of respiratory complex I from Thermus thermophilus, oxidized, 2 mol/ASU Deposited 2009-07-13 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric
Chain 6 1–181（181 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 MN MANGANESE (II) ION × 7 CA CALCIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1 M HEPES pH 7.5, 0.4 M NaCl, 0.1 M MnCl2, 6% PEG4000, 2.5% PEG400, 20 mM NAD+, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 3.10 Å R-free 0.283
3I9V Crystal structure of the hydrophilic domain of respiratory complex I from Thermus thermophilus, oxidized, 2 mol/ASU Deposited 2009-07-13 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric
Chain F 1–181（181 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 MN MANGANESE (II) ION × 5 CA CALCIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1 M HEPES pH 7.5, 0.4 M NaCl, 0.1 M MnCl2, 6% PEG4000, 2.5% PEG400, 20 mM NAD+, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 3.10 Å R-free 0.283
3IAM Crystal structure of the hydrophilic domain of respiratory complex I from Thermus thermophilus, reduced, 2 mol/ASU, with bound NADH Deposited 2009-07-14 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric
Chain 6 1–181（181 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 NAI 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 MG MAGNESIUM ION × 6 FES FE2/S2 (INORGANIC) CLUSTER × 2 CA CALCIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1 M HEPES pH 7.5, 0.05 M NaCl, 0.1 M MgCl2, 7% PEG4000, 3 mM NADH, 5 mM sodium dithionite, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 3.10 Å R-free 0.262
3IAM Crystal structure of the hydrophilic domain of respiratory complex I from Thermus thermophilus, reduced, 2 mol/ASU, with bound NADH Deposited 2009-07-14 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric
Chain F 1–181（181 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 NAI 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 MG MAGNESIUM ION × 4 FES FE2/S2 (INORGANIC) CLUSTER × 2 CA CALCIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1 M HEPES pH 7.5, 0.05 M NaCl, 0.1 M MgCl2, 7% PEG4000, 3 mM NADH, 5 mM sodium dithionite, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 3.10 Å R-free 0.262
3M9S Crystal structure of respiratory complex I from Thermus thermophilus Deposited 2010-03-22 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 13 PDB declaration: tridecameric
Chain 6 1–181（181 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；295 K；16% PEG 4000, 100 mM Bis-Tris, 100 mM KCl, 100 mM glutaric acid and 2.04 mM n-octyl- -maltoside fluorinated, pH 6.0, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 4.50 Å
3M9S Crystal structure of respiratory complex I from Thermus thermophilus Deposited 2010-03-22 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 13 PDB declaration: tridecameric
Chain F 1–181（181 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；295 K；16% PEG 4000, 100 mM Bis-Tris, 100 mM KCl, 100 mM glutaric acid and 2.04 mM n-octyl- -maltoside fluorinated, pH 6.0, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 4.50 Å
4HEA Crystal structure of the entire respiratory complex I from Thermus thermophilus Deposited 2012-10-03 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain 6 1–181（181 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；295 K；100 mM Bis-Tris pH 6.0, 19% (w/v) polyethylene glycol (PEG) 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 2.2 mM FOS-CHOLINE-8 fluorinated , VAPOR DIFFUSION, SITTING DROP, temperature 295K
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；295 K；100 mM Bis-Tris pH 6.0, 24% (w/v) polyethylene glycol (PEG) 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 50 mM NDSB-201, VAPOR DIFFUSION, SITTING DROP, temperature 295K
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；295 K；100 mM Bis-Tris pH 6.0, 26% (w/v) polyethylene glycol (PEG) 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 0.6% DDM, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 3.30 Å R-free 0.239
4HEA Crystal structure of the entire respiratory complex I from Thermus thermophilus Deposited 2012-10-03 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain G 1–181（181 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；295 K；100 mM Bis-Tris pH 6.0, 19% (w/v) polyethylene glycol (PEG) 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 2.2 mM FOS-CHOLINE-8 fluorinated , VAPOR DIFFUSION, SITTING DROP, temperature 295K
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；295 K；100 mM Bis-Tris pH 6.0, 24% (w/v) polyethylene glycol (PEG) 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 50 mM NDSB-201, VAPOR DIFFUSION, SITTING DROP, temperature 295K
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；295 K；100 mM Bis-Tris pH 6.0, 26% (w/v) polyethylene glycol (PEG) 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 0.6% DDM, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 3.30 Å R-free 0.239
6I0D Respiratory complex I from Thermus thermophilus with bound Decyl-Ubiquinone Deposited 2018-10-25 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain 6 1–181（181 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 DCQ 2-decyl-5,6-dimethoxy-3-methylcyclohexa-2,5-diene-1,4-dione × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；296 K；100 mM Bis-Tris pH 6.0, 23% (w/v) polyethylene glycol (PEG) 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 50 mM NDSB-201
Resolution 3.60 Å R-free 0.225
6I0D Respiratory complex I from Thermus thermophilus with bound Decyl-Ubiquinone Deposited 2018-10-25 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain G 1–181（181 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 DCQ 2-decyl-5,6-dimethoxy-3-methylcyclohexa-2,5-diene-1,4-dione × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；296 K；100 mM Bis-Tris pH 6.0, 23% (w/v) polyethylene glycol (PEG) 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 50 mM NDSB-201
Resolution 3.60 Å R-free 0.225
6I1P Respiratory complex I from Thermus thermophilus with bound NADH Deposited 2018-10-29 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain 6 1–181（181 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 NAI 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；296 K；100 mM Bis-Tris pH 6.0, 23% (w/v) PEG 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 0.01 mM n-tetradecyl-beta-D-maltopyranoside
Resolution 3.21 Å R-free 0.231
6I1P Respiratory complex I from Thermus thermophilus with bound NADH Deposited 2018-10-29 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain G 1–181（181 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 NAI 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；296 K；100 mM Bis-Tris pH 6.0, 23% (w/v) PEG 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 0.01 mM n-tetradecyl-beta-D-maltopyranoside
Resolution 3.21 Å R-free 0.231
6Q8O Respiratory complex I from Thermus thermophilus with bound Piericidin A Deposited 2018-12-15 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain 6 1–181（181 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 HQH Piericidin A × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；296 K；100 mM Bis-Tris pH 6.0, 24% (w/v) PEG 4000, 100 mM KCl, 100 mM glutaric acid and 0.59 mM n-undecyl-beta-maltoside
Resolution 3.60 Å R-free 0.235
6Q8O Respiratory complex I from Thermus thermophilus with bound Piericidin A Deposited 2018-12-15 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain G 1–181（181 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 HQH Piericidin A × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；296 K；100 mM Bis-Tris pH 6.0, 24% (w/v) PEG 4000, 100 mM KCl, 100 mM glutaric acid and 0.59 mM n-undecyl-beta-maltoside
Resolution 3.60 Å R-free 0.235
6Q8W Respiratory complex I from Thermus thermophilus with bound Aureothin. Deposited 2018-12-16 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain 6 1–181（181 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 HQW Aureothin × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；296 K；100 mM Bis-Tris pH 6.0, 25% (w/v) PEG 4000, 100 mM KCl, 100 mM glutaric acid and 7.6 mM 4-cyclohexyl-1-butyl-beta-D-maltoside
Resolution 3.40 Å R-free 0.234
6Q8W Respiratory complex I from Thermus thermophilus with bound Aureothin. Deposited 2018-12-16 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain G 1–181（181 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 HQW Aureothin × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；296 K；100 mM Bis-Tris pH 6.0, 25% (w/v) PEG 4000, 100 mM KCl, 100 mM glutaric acid and 7.6 mM 4-cyclohexyl-1-butyl-beta-D-maltoside
Resolution 3.40 Å R-free 0.234
6Q8X Respiratory complex I from Thermus thermophilus with bound Pyridaben. Deposited 2018-12-16 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain 6 1–181（181 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 HQK Pyridaben × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；296 K；100 mM Bis-Tris pH 6.0, 21% (w/v) PEG 4000, 100 mM KCl, 100 mM glutaric acid and 1.02 mM octyl-maltoside fluorinated
Resolution 3.51 Å R-free 0.232
6Q8X Respiratory complex I from Thermus thermophilus with bound Pyridaben. Deposited 2018-12-16 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain G 1–181（181 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 HQK Pyridaben × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；296 K；100 mM Bis-Tris pH 6.0, 21% (w/v) PEG 4000, 100 mM KCl, 100 mM glutaric acid and 1.02 mM octyl-maltoside fluorinated
Resolution 3.51 Å R-free 0.232
6Y11 Respiratory complex I from Thermus thermophilus Deposited 2020-02-10 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain 6 1–181（181 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；295 K；100 mM Bis-Tris pH 6.0, 26% (w/v) polyethylene glycol (PEG) 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 0.6% DDM
Resolution 3.11 Å R-free 0.229
6Y11 Respiratory complex I from Thermus thermophilus Deposited 2020-02-10 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain G 1–181（181 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；295 K；100 mM Bis-Tris pH 6.0, 26% (w/v) polyethylene glycol (PEG) 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 0.6% DDM
Resolution 3.11 Å R-free 0.229
6ZIY Respiratory complex I from Thermus thermophilus, NADH dataset, major state Deposited 2020-06-26 Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 15 PDB declaration: pentadecameric
Chain 6 1–181（181 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 NAI 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.25 Å
6ZJL Respiratory complex I from Thermus thermophilus, NAD+ dataset, major state Deposited 2020-06-29 Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 15 PDB declaration: pentadecameric
Chain 6 1–181（181 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.30 Å
6ZJN Respiratory complex I from Thermus thermophilus, NADH dataset, minor state Deposited 2020-06-29 Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 15 PDB declaration: pentadecameric
Chain 6 1–181（181 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FES FE2/S2 (INORGANIC) CLUSTER × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.10 Å
6ZJY Respiratory complex I from Thermus thermophilus, NAD+ dataset, minor state Deposited 2020-06-29 Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 15 PDB declaration: pentadecameric
Chain 6 1–181（181 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FES FE2/S2 (INORGANIC) CLUSTER × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 5.50 Å

16 other PDB entries and 29 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name NQO6_THET8
Isoform —
PDB entities 6
Chains and sequence ranges Author chain 6； PDBConstruct 1–181； UniProt 1–181 Author chain F； PDBConstruct 1–181； UniProt 1–181 Author chain O； PDBConstruct 1–181； UniProt 1–181 Author chain X； PDBConstruct 1–181； UniProt 1–181

NADH-quinone oxidoreductase subunit 9

OrganismNot specified

UniProt Q56224

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 8 PDB declaration: octameric（8） Consistent with protein copy count Chain 9； UniProt 1–182 Not recorded NADH-quinone oxidoreductase subunit 1 × 1 （Q56222） NADH-quinone oxidoreductase subunit 2 × 1 （Q56221） NADH-quinone oxidoreductase subunit 3 × 1 （Q56223） NADH-quinone oxidoreductase subunit 4 × 1 （Q56220） NADH-quinone oxidoreductase subunit 5 × 1 （Q56219） NADH-quinone oxidoreductase subunit 6 × 1 （Q56218） NADH-quinone oxidoreductase subunit 15 × 1 （Q5SKZ7） SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 CA CALCIUM ION × 4 X-RAY DIFFRACTION X-ray crystallization conditions：VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1 M HEPES pH 7.5, 0.4 M NaCl, 0.1 M CaCl2, 8% PEG4000, VAPOR DIFFUSION, SITTING DROP, temperature 295K Resolution 3.15 Å R-free 0.270
2 Protein heterocomplex Heteromer Protein × 8 PDB declaration: octameric（8） Consistent with protein copy count Chain G； UniProt 1–182 Not recorded NADH-quinone oxidoreductase subunit 1 × 1 （Q56222） NADH-quinone oxidoreductase subunit 2 × 1 （Q56221） NADH-quinone oxidoreductase subunit 3 × 1 （Q56223） NADH-quinone oxidoreductase subunit 4 × 1 （Q56220） NADH-quinone oxidoreductase subunit 5 × 1 （Q56219） NADH-quinone oxidoreductase subunit 6 × 1 （Q56218） NADH-quinone oxidoreductase subunit 15 × 1 （Q5SKZ7） SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 CA CALCIUM ION × 4 X-RAY DIFFRACTION X-ray crystallization conditions：VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1 M HEPES pH 7.5, 0.4 M NaCl, 0.1 M CaCl2, 8% PEG4000, VAPOR DIFFUSION, SITTING DROP, temperature 295K Resolution 3.15 Å R-free 0.270
3 Protein heterocomplex Heteromer Protein × 8 PDB declaration: octameric（8） Consistent with protein copy count Chain P； UniProt 1–182 Not recorded NADH-quinone oxidoreductase subunit 1 × 1 （Q56222） NADH-quinone oxidoreductase subunit 2 × 1 （Q56221） NADH-quinone oxidoreductase subunit 3 × 1 （Q56223） NADH-quinone oxidoreductase subunit 4 × 1 （Q56220） NADH-quinone oxidoreductase subunit 5 × 1 （Q56219） NADH-quinone oxidoreductase subunit 6 × 1 （Q56218） NADH-quinone oxidoreductase subunit 15 × 1 （Q5SKZ7） SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 CA CALCIUM ION × 4 X-RAY DIFFRACTION X-ray crystallization conditions：VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1 M HEPES pH 7.5, 0.4 M NaCl, 0.1 M CaCl2, 8% PEG4000, VAPOR DIFFUSION, SITTING DROP, temperature 295K Resolution 3.15 Å R-free 0.270
4 Protein heterocomplex Heteromer Protein × 8 PDB declaration: octameric（8） Consistent with protein copy count Chain Y； UniProt 1–182 Not recorded NADH-quinone oxidoreductase subunit 1 × 1 （Q56222） NADH-quinone oxidoreductase subunit 2 × 1 （Q56221） NADH-quinone oxidoreductase subunit 3 × 1 （Q56223） NADH-quinone oxidoreductase subunit 4 × 1 （Q56220） NADH-quinone oxidoreductase subunit 5 × 1 （Q56219） NADH-quinone oxidoreductase subunit 6 × 1 （Q56218） NADH-quinone oxidoreductase subunit 15 × 1 （Q5SKZ7） SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 CA CALCIUM ION × 4 X-RAY DIFFRACTION X-ray crystallization conditions：VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1 M HEPES pH 7.5, 0.4 M NaCl, 0.1 M CaCl2, 8% PEG4000, VAPOR DIFFUSION, SITTING DROP, temperature 295K Resolution 3.15 Å R-free 0.270

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

Other PDB Difference from Current Entry 3IAS Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Method and Experimental Conditions Structure Quality
2FUG Crystal structure of the hydrophilic domain of respiratory complex I from Thermus thermophilus Deposited 2006-01-26 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric
Chain 9 1–182（182 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FES FE2/S2 (INORGANIC) CLUSTER × 2 FMN FLAVIN MONONUCLEOTIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1M HEPES pH 7.5, 0.4-0.5M NaCl, 0.1M CaCl2 and 8-10% PEG4000, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 3.30 Å R-free 0.298
2FUG Crystal structure of the hydrophilic domain of respiratory complex I from Thermus thermophilus Deposited 2006-01-26 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric
Chain G 1–182（182 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FES FE2/S2 (INORGANIC) CLUSTER × 2 FMN FLAVIN MONONUCLEOTIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1M HEPES pH 7.5, 0.4-0.5M NaCl, 0.1M CaCl2 and 8-10% PEG4000, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 3.30 Å R-free 0.298
2FUG Crystal structure of the hydrophilic domain of respiratory complex I from Thermus thermophilus Deposited 2006-01-26 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 3 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric
Chain P 1–182（182 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FES FE2/S2 (INORGANIC) CLUSTER × 2 FMN FLAVIN MONONUCLEOTIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1M HEPES pH 7.5, 0.4-0.5M NaCl, 0.1M CaCl2 and 8-10% PEG4000, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 3.30 Å R-free 0.298
2FUG Crystal structure of the hydrophilic domain of respiratory complex I from Thermus thermophilus Deposited 2006-01-26 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 4 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric
Chain Y 1–182（182 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FES FE2/S2 (INORGANIC) CLUSTER × 2 FMN FLAVIN MONONUCLEOTIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1M HEPES pH 7.5, 0.4-0.5M NaCl, 0.1M CaCl2 and 8-10% PEG4000, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 3.30 Å R-free 0.298
2YBB Fitted model for bovine mitochondrial supercomplex I1III2IV1 by single particle cryo-EM (EMD-1876) Deposited 2011-03-02 Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 48 PDB declaration: 48-meric
Chain 8 1–182（182 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 NAI 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 MG MAGNESIUM ION × 7 FES FE2/S2 (INORGANIC) CLUSTER × 4 CA CALCIUM ION × 1 HEM PROTOPORPHYRIN IX CONTAINING FE × 5 SMA STIGMATELLIN A × 2 UQ1 UBIQUINONE-1 × 2 HEC HEME C × 2 CDL CARDIOLIPIN × 4 HEA HEME-A × 2 CU COPPER (II) ION × 3 ZN ZINC ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer 10 MM KCL, 15 MM HEPES, RESIDUAL TREHALOSE；pH 7.7；10 MM KCL, 15 MM HEPES, RESIDUAL TREHALOSE
cryo-EM vitrification conditions Cryogen ETHANE；VITRIFICATION 1 -- CRYOGEN- ETHANE, HUMIDITY- 70, TEMPERATURE- 95, INSTRUMENT- CUSTOM-MADE HAND PLUNGER, METHOD- ONE- SIDED BLOTTING FOR 26 - 30 SECONDS BEFORE PLUNGING, DETAILS- SAMPLE WAS ADSORBED TO CARBON FILM FOR 30 SECONDS BEFORE BLOTTING
Resolution 19.00 Å
3I9V Crystal structure of the hydrophilic domain of respiratory complex I from Thermus thermophilus, oxidized, 2 mol/ASU Deposited 2009-07-13 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric
Chain 9 1–182（182 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 MN MANGANESE (II) ION × 7 CA CALCIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1 M HEPES pH 7.5, 0.4 M NaCl, 0.1 M MnCl2, 6% PEG4000, 2.5% PEG400, 20 mM NAD+, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 3.10 Å R-free 0.283
3I9V Crystal structure of the hydrophilic domain of respiratory complex I from Thermus thermophilus, oxidized, 2 mol/ASU Deposited 2009-07-13 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric
Chain G 1–182（182 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 MN MANGANESE (II) ION × 5 CA CALCIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1 M HEPES pH 7.5, 0.4 M NaCl, 0.1 M MnCl2, 6% PEG4000, 2.5% PEG400, 20 mM NAD+, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 3.10 Å R-free 0.283
3IAM Crystal structure of the hydrophilic domain of respiratory complex I from Thermus thermophilus, reduced, 2 mol/ASU, with bound NADH Deposited 2009-07-14 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric
Chain 9 1–182（182 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 NAI 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 MG MAGNESIUM ION × 6 FES FE2/S2 (INORGANIC) CLUSTER × 2 CA CALCIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1 M HEPES pH 7.5, 0.05 M NaCl, 0.1 M MgCl2, 7% PEG4000, 3 mM NADH, 5 mM sodium dithionite, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 3.10 Å R-free 0.262
3IAM Crystal structure of the hydrophilic domain of respiratory complex I from Thermus thermophilus, reduced, 2 mol/ASU, with bound NADH Deposited 2009-07-14 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric
Chain G 1–182（182 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 NAI 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 MG MAGNESIUM ION × 4 FES FE2/S2 (INORGANIC) CLUSTER × 2 CA CALCIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1 M HEPES pH 7.5, 0.05 M NaCl, 0.1 M MgCl2, 7% PEG4000, 3 mM NADH, 5 mM sodium dithionite, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 3.10 Å R-free 0.262
3M9S Crystal structure of respiratory complex I from Thermus thermophilus Deposited 2010-03-22 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 13 PDB declaration: tridecameric
Chain 9 1–182（182 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；295 K；16% PEG 4000, 100 mM Bis-Tris, 100 mM KCl, 100 mM glutaric acid and 2.04 mM n-octyl- -maltoside fluorinated, pH 6.0, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 4.50 Å
3M9S Crystal structure of respiratory complex I from Thermus thermophilus Deposited 2010-03-22 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 13 PDB declaration: tridecameric
Chain G 1–182（182 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；295 K；16% PEG 4000, 100 mM Bis-Tris, 100 mM KCl, 100 mM glutaric acid and 2.04 mM n-octyl- -maltoside fluorinated, pH 6.0, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 4.50 Å
4HEA Crystal structure of the entire respiratory complex I from Thermus thermophilus Deposited 2012-10-03 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain 9 1–182（182 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；295 K；100 mM Bis-Tris pH 6.0, 19% (w/v) polyethylene glycol (PEG) 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 2.2 mM FOS-CHOLINE-8 fluorinated , VAPOR DIFFUSION, SITTING DROP, temperature 295K
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；295 K；100 mM Bis-Tris pH 6.0, 24% (w/v) polyethylene glycol (PEG) 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 50 mM NDSB-201, VAPOR DIFFUSION, SITTING DROP, temperature 295K
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；295 K；100 mM Bis-Tris pH 6.0, 26% (w/v) polyethylene glycol (PEG) 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 0.6% DDM, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 3.30 Å R-free 0.239
4HEA Crystal structure of the entire respiratory complex I from Thermus thermophilus Deposited 2012-10-03 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain O 1–182（182 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；295 K；100 mM Bis-Tris pH 6.0, 19% (w/v) polyethylene glycol (PEG) 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 2.2 mM FOS-CHOLINE-8 fluorinated , VAPOR DIFFUSION, SITTING DROP, temperature 295K
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；295 K；100 mM Bis-Tris pH 6.0, 24% (w/v) polyethylene glycol (PEG) 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 50 mM NDSB-201, VAPOR DIFFUSION, SITTING DROP, temperature 295K
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；295 K；100 mM Bis-Tris pH 6.0, 26% (w/v) polyethylene glycol (PEG) 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 0.6% DDM, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 3.30 Å R-free 0.239
6I0D Respiratory complex I from Thermus thermophilus with bound Decyl-Ubiquinone Deposited 2018-10-25 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain 9 1–182（182 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 DCQ 2-decyl-5,6-dimethoxy-3-methylcyclohexa-2,5-diene-1,4-dione × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；296 K；100 mM Bis-Tris pH 6.0, 23% (w/v) polyethylene glycol (PEG) 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 50 mM NDSB-201
Resolution 3.60 Å R-free 0.225
6I0D Respiratory complex I from Thermus thermophilus with bound Decyl-Ubiquinone Deposited 2018-10-25 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain O 1–182（182 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 DCQ 2-decyl-5,6-dimethoxy-3-methylcyclohexa-2,5-diene-1,4-dione × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；296 K；100 mM Bis-Tris pH 6.0, 23% (w/v) polyethylene glycol (PEG) 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 50 mM NDSB-201
Resolution 3.60 Å R-free 0.225
6I1P Respiratory complex I from Thermus thermophilus with bound NADH Deposited 2018-10-29 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain 9 1–182（182 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 NAI 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；296 K；100 mM Bis-Tris pH 6.0, 23% (w/v) PEG 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 0.01 mM n-tetradecyl-beta-D-maltopyranoside
Resolution 3.21 Å R-free 0.231
6I1P Respiratory complex I from Thermus thermophilus with bound NADH Deposited 2018-10-29 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain O 1–182（182 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 NAI 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；296 K；100 mM Bis-Tris pH 6.0, 23% (w/v) PEG 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 0.01 mM n-tetradecyl-beta-D-maltopyranoside
Resolution 3.21 Å R-free 0.231
6Q8O Respiratory complex I from Thermus thermophilus with bound Piericidin A Deposited 2018-12-15 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain 9 1–182（182 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 HQH Piericidin A × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；296 K；100 mM Bis-Tris pH 6.0, 24% (w/v) PEG 4000, 100 mM KCl, 100 mM glutaric acid and 0.59 mM n-undecyl-beta-maltoside
Resolution 3.60 Å R-free 0.235
6Q8O Respiratory complex I from Thermus thermophilus with bound Piericidin A Deposited 2018-12-15 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain O 1–182（182 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 HQH Piericidin A × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；296 K；100 mM Bis-Tris pH 6.0, 24% (w/v) PEG 4000, 100 mM KCl, 100 mM glutaric acid and 0.59 mM n-undecyl-beta-maltoside
Resolution 3.60 Å R-free 0.235
6Q8W Respiratory complex I from Thermus thermophilus with bound Aureothin. Deposited 2018-12-16 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain 9 1–182（182 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 HQW Aureothin × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；296 K；100 mM Bis-Tris pH 6.0, 25% (w/v) PEG 4000, 100 mM KCl, 100 mM glutaric acid and 7.6 mM 4-cyclohexyl-1-butyl-beta-D-maltoside
Resolution 3.40 Å R-free 0.234
6Q8W Respiratory complex I from Thermus thermophilus with bound Aureothin. Deposited 2018-12-16 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain O 1–182（182 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 HQW Aureothin × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；296 K；100 mM Bis-Tris pH 6.0, 25% (w/v) PEG 4000, 100 mM KCl, 100 mM glutaric acid and 7.6 mM 4-cyclohexyl-1-butyl-beta-D-maltoside
Resolution 3.40 Å R-free 0.234
6Q8X Respiratory complex I from Thermus thermophilus with bound Pyridaben. Deposited 2018-12-16 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain 9 1–182（182 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 HQK Pyridaben × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；296 K；100 mM Bis-Tris pH 6.0, 21% (w/v) PEG 4000, 100 mM KCl, 100 mM glutaric acid and 1.02 mM octyl-maltoside fluorinated
Resolution 3.51 Å R-free 0.232
6Q8X Respiratory complex I from Thermus thermophilus with bound Pyridaben. Deposited 2018-12-16 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain O 1–182（182 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 HQK Pyridaben × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；296 K；100 mM Bis-Tris pH 6.0, 21% (w/v) PEG 4000, 100 mM KCl, 100 mM glutaric acid and 1.02 mM octyl-maltoside fluorinated
Resolution 3.51 Å R-free 0.232
6Y11 Respiratory complex I from Thermus thermophilus Deposited 2020-02-10 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain 9 1–182（182 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；295 K；100 mM Bis-Tris pH 6.0, 26% (w/v) polyethylene glycol (PEG) 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 0.6% DDM
Resolution 3.11 Å R-free 0.229
6Y11 Respiratory complex I from Thermus thermophilus Deposited 2020-02-10 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain O 1–182（182 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；295 K；100 mM Bis-Tris pH 6.0, 26% (w/v) polyethylene glycol (PEG) 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 0.6% DDM
Resolution 3.11 Å R-free 0.229
6ZIY Respiratory complex I from Thermus thermophilus, NADH dataset, major state Deposited 2020-06-26 Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 15 PDB declaration: pentadecameric
Chain 9 1–182（182 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 NAI 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.25 Å
6ZJL Respiratory complex I from Thermus thermophilus, NAD+ dataset, major state Deposited 2020-06-29 Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 15 PDB declaration: pentadecameric
Chain 9 1–182（182 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.30 Å
6ZJN Respiratory complex I from Thermus thermophilus, NADH dataset, minor state Deposited 2020-06-29 Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 15 PDB declaration: pentadecameric
Chain 9 1–182（182 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FES FE2/S2 (INORGANIC) CLUSTER × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.10 Å
6ZJY Respiratory complex I from Thermus thermophilus, NAD+ dataset, minor state Deposited 2020-06-29 Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 15 PDB declaration: pentadecameric
Chain 9 1–182（182 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FES FE2/S2 (INORGANIC) CLUSTER × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 5.50 Å

16 other PDB entries and 29 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name NQO9_THET8
Isoform —
PDB entities 7
Chains and sequence ranges Author chain 9； PDBConstruct 1–182； UniProt 1–182 Author chain G； PDBConstruct 1–182； UniProt 1–182 Author chain P； PDBConstruct 1–182； UniProt 1–182 Author chain Y； PDBConstruct 1–182； UniProt 1–182

NADH-quinone oxidoreductase subunit 15

OrganismNot specified

UniProt Q5SKZ7

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 8 PDB declaration: octameric（8） Consistent with protein copy count Chain 7； UniProt 1–129 Not recorded NADH-quinone oxidoreductase subunit 1 × 1 （Q56222） NADH-quinone oxidoreductase subunit 2 × 1 （Q56221） NADH-quinone oxidoreductase subunit 3 × 1 （Q56223） NADH-quinone oxidoreductase subunit 4 × 1 （Q56220） NADH-quinone oxidoreductase subunit 5 × 1 （Q56219） NADH-quinone oxidoreductase subunit 6 × 1 （Q56218） NADH-quinone oxidoreductase subunit 9 × 1 （Q56224） SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 CA CALCIUM ION × 4 X-RAY DIFFRACTION X-ray crystallization conditions：VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1 M HEPES pH 7.5, 0.4 M NaCl, 0.1 M CaCl2, 8% PEG4000, VAPOR DIFFUSION, SITTING DROP, temperature 295K Resolution 3.15 Å R-free 0.270
2 Protein heterocomplex Heteromer Protein × 8 PDB declaration: octameric（8） Consistent with protein copy count Chain H； UniProt 1–129 Not recorded NADH-quinone oxidoreductase subunit 1 × 1 （Q56222） NADH-quinone oxidoreductase subunit 2 × 1 （Q56221） NADH-quinone oxidoreductase subunit 3 × 1 （Q56223） NADH-quinone oxidoreductase subunit 4 × 1 （Q56220） NADH-quinone oxidoreductase subunit 5 × 1 （Q56219） NADH-quinone oxidoreductase subunit 6 × 1 （Q56218） NADH-quinone oxidoreductase subunit 9 × 1 （Q56224） SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 CA CALCIUM ION × 4 X-RAY DIFFRACTION X-ray crystallization conditions：VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1 M HEPES pH 7.5, 0.4 M NaCl, 0.1 M CaCl2, 8% PEG4000, VAPOR DIFFUSION, SITTING DROP, temperature 295K Resolution 3.15 Å R-free 0.270
3 Protein heterocomplex Heteromer Protein × 8 PDB declaration: octameric（8） Consistent with protein copy count Chain Q； UniProt 1–129 Not recorded NADH-quinone oxidoreductase subunit 1 × 1 （Q56222） NADH-quinone oxidoreductase subunit 2 × 1 （Q56221） NADH-quinone oxidoreductase subunit 3 × 1 （Q56223） NADH-quinone oxidoreductase subunit 4 × 1 （Q56220） NADH-quinone oxidoreductase subunit 5 × 1 （Q56219） NADH-quinone oxidoreductase subunit 6 × 1 （Q56218） NADH-quinone oxidoreductase subunit 9 × 1 （Q56224） SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 CA CALCIUM ION × 4 X-RAY DIFFRACTION X-ray crystallization conditions：VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1 M HEPES pH 7.5, 0.4 M NaCl, 0.1 M CaCl2, 8% PEG4000, VAPOR DIFFUSION, SITTING DROP, temperature 295K Resolution 3.15 Å R-free 0.270
4 Protein heterocomplex Heteromer Protein × 8 PDB declaration: octameric（8） Consistent with protein copy count Chain Z； UniProt 1–129 Not recorded NADH-quinone oxidoreductase subunit 1 × 1 （Q56222） NADH-quinone oxidoreductase subunit 2 × 1 （Q56221） NADH-quinone oxidoreductase subunit 3 × 1 （Q56223） NADH-quinone oxidoreductase subunit 4 × 1 （Q56220） NADH-quinone oxidoreductase subunit 5 × 1 （Q56219） NADH-quinone oxidoreductase subunit 6 × 1 （Q56218） NADH-quinone oxidoreductase subunit 9 × 1 （Q56224） SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 CA CALCIUM ION × 4 X-RAY DIFFRACTION X-ray crystallization conditions：VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1 M HEPES pH 7.5, 0.4 M NaCl, 0.1 M CaCl2, 8% PEG4000, VAPOR DIFFUSION, SITTING DROP, temperature 295K Resolution 3.15 Å R-free 0.270

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

Other PDB Difference from Current Entry 3IAS Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Method and Experimental Conditions Structure Quality
2YBB Fitted model for bovine mitochondrial supercomplex I1III2IV1 by single particle cryo-EM (EMD-1876) Deposited 2011-03-02 Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 48 PDB declaration: 48-meric
Chain 7 1–129（129 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 NAI 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 MG MAGNESIUM ION × 7 FES FE2/S2 (INORGANIC) CLUSTER × 4 CA CALCIUM ION × 1 HEM PROTOPORPHYRIN IX CONTAINING FE × 5 SMA STIGMATELLIN A × 2 UQ1 UBIQUINONE-1 × 2 HEC HEME C × 2 CDL CARDIOLIPIN × 4 HEA HEME-A × 2 CU COPPER (II) ION × 3 ZN ZINC ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer 10 MM KCL, 15 MM HEPES, RESIDUAL TREHALOSE；pH 7.7；10 MM KCL, 15 MM HEPES, RESIDUAL TREHALOSE
cryo-EM vitrification conditions Cryogen ETHANE；VITRIFICATION 1 -- CRYOGEN- ETHANE, HUMIDITY- 70, TEMPERATURE- 95, INSTRUMENT- CUSTOM-MADE HAND PLUNGER, METHOD- ONE- SIDED BLOTTING FOR 26 - 30 SECONDS BEFORE PLUNGING, DETAILS- SAMPLE WAS ADSORBED TO CARBON FILM FOR 30 SECONDS BEFORE BLOTTING
Resolution 19.00 Å
3I9V Crystal structure of the hydrophilic domain of respiratory complex I from Thermus thermophilus, oxidized, 2 mol/ASU Deposited 2009-07-13 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric
Chain 7 1–129（129 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 MN MANGANESE (II) ION × 7 CA CALCIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1 M HEPES pH 7.5, 0.4 M NaCl, 0.1 M MnCl2, 6% PEG4000, 2.5% PEG400, 20 mM NAD+, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 3.10 Å R-free 0.283
3I9V Crystal structure of the hydrophilic domain of respiratory complex I from Thermus thermophilus, oxidized, 2 mol/ASU Deposited 2009-07-13 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric
Chain H 1–129（129 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 MN MANGANESE (II) ION × 5 CA CALCIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1 M HEPES pH 7.5, 0.4 M NaCl, 0.1 M MnCl2, 6% PEG4000, 2.5% PEG400, 20 mM NAD+, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 3.10 Å R-free 0.283
3IAM Crystal structure of the hydrophilic domain of respiratory complex I from Thermus thermophilus, reduced, 2 mol/ASU, with bound NADH Deposited 2009-07-14 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric
Chain 7 1–129（129 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 NAI 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 MG MAGNESIUM ION × 6 FES FE2/S2 (INORGANIC) CLUSTER × 2 CA CALCIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1 M HEPES pH 7.5, 0.05 M NaCl, 0.1 M MgCl2, 7% PEG4000, 3 mM NADH, 5 mM sodium dithionite, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 3.10 Å R-free 0.262
3IAM Crystal structure of the hydrophilic domain of respiratory complex I from Thermus thermophilus, reduced, 2 mol/ASU, with bound NADH Deposited 2009-07-14 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric
Chain H 1–129（129 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 NAI 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 MG MAGNESIUM ION × 4 FES FE2/S2 (INORGANIC) CLUSTER × 2 CA CALCIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；295 K；0.1 M HEPES pH 7.5, 0.05 M NaCl, 0.1 M MgCl2, 7% PEG4000, 3 mM NADH, 5 mM sodium dithionite, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 3.10 Å R-free 0.262
3M9S Crystal structure of respiratory complex I from Thermus thermophilus Deposited 2010-03-22 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 13 PDB declaration: tridecameric
Chain 7 1–129（129 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；295 K；16% PEG 4000, 100 mM Bis-Tris, 100 mM KCl, 100 mM glutaric acid and 2.04 mM n-octyl- -maltoside fluorinated, pH 6.0, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 4.50 Å
3M9S Crystal structure of respiratory complex I from Thermus thermophilus Deposited 2010-03-22 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 13 PDB declaration: tridecameric
Chain J 1–129（129 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；295 K；16% PEG 4000, 100 mM Bis-Tris, 100 mM KCl, 100 mM glutaric acid and 2.04 mM n-octyl- -maltoside fluorinated, pH 6.0, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 4.50 Å
4HEA Crystal structure of the entire respiratory complex I from Thermus thermophilus Deposited 2012-10-03 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain 7 1–129（129 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；295 K；100 mM Bis-Tris pH 6.0, 19% (w/v) polyethylene glycol (PEG) 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 2.2 mM FOS-CHOLINE-8 fluorinated , VAPOR DIFFUSION, SITTING DROP, temperature 295K
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；295 K；100 mM Bis-Tris pH 6.0, 24% (w/v) polyethylene glycol (PEG) 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 50 mM NDSB-201, VAPOR DIFFUSION, SITTING DROP, temperature 295K
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；295 K；100 mM Bis-Tris pH 6.0, 26% (w/v) polyethylene glycol (PEG) 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 0.6% DDM, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 3.30 Å R-free 0.239
4HEA Crystal structure of the entire respiratory complex I from Thermus thermophilus Deposited 2012-10-03 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain I 1–129（129 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；295 K；100 mM Bis-Tris pH 6.0, 19% (w/v) polyethylene glycol (PEG) 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 2.2 mM FOS-CHOLINE-8 fluorinated , VAPOR DIFFUSION, SITTING DROP, temperature 295K
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；295 K；100 mM Bis-Tris pH 6.0, 24% (w/v) polyethylene glycol (PEG) 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 50 mM NDSB-201, VAPOR DIFFUSION, SITTING DROP, temperature 295K
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；295 K；100 mM Bis-Tris pH 6.0, 26% (w/v) polyethylene glycol (PEG) 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 0.6% DDM, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 3.30 Å R-free 0.239
6I0D Respiratory complex I from Thermus thermophilus with bound Decyl-Ubiquinone Deposited 2018-10-25 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain 7 1–129（129 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 DCQ 2-decyl-5,6-dimethoxy-3-methylcyclohexa-2,5-diene-1,4-dione × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；296 K；100 mM Bis-Tris pH 6.0, 23% (w/v) polyethylene glycol (PEG) 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 50 mM NDSB-201
Resolution 3.60 Å R-free 0.225
6I0D Respiratory complex I from Thermus thermophilus with bound Decyl-Ubiquinone Deposited 2018-10-25 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain I 1–129（129 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 DCQ 2-decyl-5,6-dimethoxy-3-methylcyclohexa-2,5-diene-1,4-dione × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；296 K；100 mM Bis-Tris pH 6.0, 23% (w/v) polyethylene glycol (PEG) 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 50 mM NDSB-201
Resolution 3.60 Å R-free 0.225
6I1P Respiratory complex I from Thermus thermophilus with bound NADH Deposited 2018-10-29 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain 7 1–129（129 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 NAI 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；296 K；100 mM Bis-Tris pH 6.0, 23% (w/v) PEG 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 0.01 mM n-tetradecyl-beta-D-maltopyranoside
Resolution 3.21 Å R-free 0.231
6I1P Respiratory complex I from Thermus thermophilus with bound NADH Deposited 2018-10-29 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain I 1–129（129 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 NAI 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；296 K；100 mM Bis-Tris pH 6.0, 23% (w/v) PEG 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 0.01 mM n-tetradecyl-beta-D-maltopyranoside
Resolution 3.21 Å R-free 0.231
6Q8O Respiratory complex I from Thermus thermophilus with bound Piericidin A Deposited 2018-12-15 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain 7 1–129（129 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 HQH Piericidin A × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；296 K；100 mM Bis-Tris pH 6.0, 24% (w/v) PEG 4000, 100 mM KCl, 100 mM glutaric acid and 0.59 mM n-undecyl-beta-maltoside
Resolution 3.60 Å R-free 0.235
6Q8O Respiratory complex I from Thermus thermophilus with bound Piericidin A Deposited 2018-12-15 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain I 1–129（129 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 HQH Piericidin A × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；296 K；100 mM Bis-Tris pH 6.0, 24% (w/v) PEG 4000, 100 mM KCl, 100 mM glutaric acid and 0.59 mM n-undecyl-beta-maltoside
Resolution 3.60 Å R-free 0.235
6Q8W Respiratory complex I from Thermus thermophilus with bound Aureothin. Deposited 2018-12-16 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain 7 1–129（129 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 HQW Aureothin × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；296 K；100 mM Bis-Tris pH 6.0, 25% (w/v) PEG 4000, 100 mM KCl, 100 mM glutaric acid and 7.6 mM 4-cyclohexyl-1-butyl-beta-D-maltoside
Resolution 3.40 Å R-free 0.234
6Q8W Respiratory complex I from Thermus thermophilus with bound Aureothin. Deposited 2018-12-16 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain I 1–129（129 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 HQW Aureothin × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；296 K；100 mM Bis-Tris pH 6.0, 25% (w/v) PEG 4000, 100 mM KCl, 100 mM glutaric acid and 7.6 mM 4-cyclohexyl-1-butyl-beta-D-maltoside
Resolution 3.40 Å R-free 0.234
6Q8X Respiratory complex I from Thermus thermophilus with bound Pyridaben. Deposited 2018-12-16 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain 7 1–129（129 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 HQK Pyridaben × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；296 K；100 mM Bis-Tris pH 6.0, 21% (w/v) PEG 4000, 100 mM KCl, 100 mM glutaric acid and 1.02 mM octyl-maltoside fluorinated
Resolution 3.51 Å R-free 0.232
6Q8X Respiratory complex I from Thermus thermophilus with bound Pyridaben. Deposited 2018-12-16 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain I 1–129（129 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 HQK Pyridaben × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；296 K；100 mM Bis-Tris pH 6.0, 21% (w/v) PEG 4000, 100 mM KCl, 100 mM glutaric acid and 1.02 mM octyl-maltoside fluorinated
Resolution 3.51 Å R-free 0.232
6Y11 Respiratory complex I from Thermus thermophilus Deposited 2020-02-10 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain 7 1–129（129 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；295 K；100 mM Bis-Tris pH 6.0, 26% (w/v) polyethylene glycol (PEG) 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 0.6% DDM
Resolution 3.11 Å R-free 0.229
6Y11 Respiratory complex I from Thermus thermophilus Deposited 2020-02-10 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric
Chain I 1–129（129 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；295 K；100 mM Bis-Tris pH 6.0, 26% (w/v) polyethylene glycol (PEG) 4000, 100 mM KCl, 100 mM glutaric acid pH 6.0 and 0.6% DDM
Resolution 3.11 Å R-free 0.229
6ZIY Respiratory complex I from Thermus thermophilus, NADH dataset, major state Deposited 2020-06-26 Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 15 PDB declaration: pentadecameric
Chain 7 1–129（129 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 NAI 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.25 Å
6ZJL Respiratory complex I from Thermus thermophilus, NAD+ dataset, major state Deposited 2020-06-29 Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 15 PDB declaration: pentadecameric
Chain 7 1–129（129 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.30 Å
6ZJN Respiratory complex I from Thermus thermophilus, NADH dataset, minor state Deposited 2020-06-29 Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 15 PDB declaration: pentadecameric
Chain 7 1–129（129 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FES FE2/S2 (INORGANIC) CLUSTER × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.10 Å
6ZJY Respiratory complex I from Thermus thermophilus, NAD+ dataset, minor state Deposited 2020-06-29 Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 15 PDB declaration: pentadecameric
Chain 7 1–129（129 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FES FE2/S2 (INORGANIC) CLUSTER × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 5.50 Å

15 other PDB entries and 25 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name NQO15_THET8
Isoform —
PDB entities 8
Chains and sequence ranges Author chain 7； PDBConstruct 1–129； UniProt 1–129 Author chain H； PDBConstruct 1–129； UniProt 1–129 Author chain Q； PDBConstruct 1–129； UniProt 1–129 Author chain Z； PDBConstruct 1–129； UniProt 1–129

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

SAXS scattering curve SAXS Profile

SAXS profile for 3ias

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 3ias
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2. Structure Basics 2. Structure Basics

Entry ID entry_id3ias
Deposition date deposition_date2009-07-14
Structure title titleCrystal structure of the hydrophilic domain of respiratory complex I from Thermus thermophilus, oxidized, 4 mol/ASU, re-refined to 3.15 angstrom resolution
Keywords keywordsOXIDOREDUCTASE, ELECTRON TRANSPORT, RESPIRATORY CHAIN; OXIDOREDUCTASE
Experimental Method methodX-RAY DIFFRACTION
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3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier83.69 Å
Radius of gyration Rg (electron density) rg_electron83.96 Å
Forward intensity I(0) i015765900000.00
Molecular weight molecular_weight1072900.0 kDa
Excluded volume excluded_volume1342200 ų
Envelope volume envelope_volume2000500 ų
Hydration-shell volume shell_volume197100 ų
Envelope diameter envelope_diameter289.9 Å
Shell Rg shell_rg81.95 Å
Envelope Rg envelope_rg81.27 Å
Shape Rg shape_rg84.01 Å
Total Rg total_rg83.76 Å
Total atoms total_atoms75028
Residues n_residues9472
Spherical-harmonic order n_harmonics20
q range q_range— – 0.5000 Å−1
Data points n_points101
Shell type shell_typedirectional
Solvent electron density solvent_density0.3340 e/ų
Shell contrast contrast_shell0.0300 e/ų
CRYSOL version crysol_version4.1.3
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4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax284.7 Å
Rg (real space) rg_real87.38 Å
Rg uncertainty (real space) rg_real_error1.71 Å
I(0) (real space) i0_real1.5770e+10
I(0) uncertainty (real space) i0_real_error3.0800e+08
Rg (reciprocal space) rg_reciprocal83.04 Å
I(0) (reciprocal space) i0_reciprocal15740000000.0000
Solution quality estimate total_estimate0.8844
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary89.9 Å
Skewness Skewness skewness0.418
Kurtosis Kurtosis kurtosis-0.302
Angular range angular_range— – 0.0950 Å−1
Current regularization parameter α current_alpha1.3740
Highest regularization parameter α highest_alpha428900000.0000
Real-space data points n_real_points20
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.944; Stabil: 0.865; Sysdev: 1.000; Positv: 1.000; Valcen: 1.000; Smooth: 0.092
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5. Crystallography and Experiment 5. Crystallography & Experiment

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6. Entities and Polymers Entities & Polymers (12)

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7. Fold Classification (SCOP + CATH) 92 domains

SCOP 2.08 (52 domains)

Domain ID domain_idd3ias11
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.142 — Nqo1 FMN-binding domain-like
Superfamily Superfamily superfamilyc.142.1 — Nqo1 FMN-binding domain-like
Family Family familyc.142.1.1 — Nqo1 FMN-binding domain-like
Domain ID domain_idd3ias12
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.15 — beta-Grasp (ubiquitin-like)
Superfamily Superfamily superfamilyd.15.13 — Nqo1 middle domain-like
Family Family familyd.15.13.0 — automated matches
Domain ID domain_idd3ias13
Class classa — All alpha proteins
Fold Fold folda.29 — Bromodomain-like
Superfamily Superfamily superfamilya.29.12 — Nqo1C-terminal domain-like
Family Family familya.29.12.0 — automated matches
Domain ID domain_idd3ias2_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.47 — Thioredoxin fold
Superfamily Superfamily superfamilyc.47.1 — Thioredoxin-like
Family Family familyc.47.1.21 — NQO2-like
Domain ID domain_idd3ias31
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.15 — beta-Grasp (ubiquitin-like)
Superfamily Superfamily superfamilyd.15.4 — 2Fe-2S ferredoxin-like
Family Family familyd.15.4.0 — automated matches
Domain ID domain_idd3ias32
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.58 — Ferredoxin-like
Superfamily Superfamily superfamilyd.58.1 — 4Fe-4S ferredoxins
Family Family familyd.58.1.0 — automated matches
Domain ID domain_idd3ias33
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.81 — Formate dehydrogenase/DMSO reductase, domains 1-3
Superfamily Superfamily superfamilyc.81.1 — Formate dehydrogenase/DMSO reductase, domains 1-3
Family Family familyc.81.1.1 — Formate dehydrogenase/DMSO reductase, domains 1-3
Domain ID domain_idd3ias34
Class classb — All beta proteins
Fold Fold foldb.52 — Double psi beta-barrel
Superfamily Superfamily superfamilyb.52.2 — ADC-like
Family Family familyb.52.2.0 — automated matches
Domain ID domain_idd3ias4_
Class classe — Multi-domain proteins (alpha and beta)
Fold Fold folde.18 — HydB/Nqo4-like
Superfamily Superfamily superfamilye.18.1 — HydB/Nqo4-like
Family Family familye.18.1.2 — Nqo4-like
Domain ID domain_idd3ias5_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.307 — Nqo5-like
Superfamily Superfamily superfamilyd.307.1 — Nqo5-like
Family Family familyd.307.1.1 — Nqo5-like
Domain ID domain_idd3ias6_
Class classe — Multi-domain proteins (alpha and beta)
Fold Fold folde.19 — HydA/Nqo6-like
Superfamily Superfamily superfamilye.19.1 — HydA/Nqo6-like
Family Family familye.19.1.2 — Nq06-like
Domain ID domain_idd3ias7_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.82 — N domain of copper amine oxidase-like
Superfamily Superfamily superfamilyd.82.2 — Frataxin/Nqo15-like
Family Family familyd.82.2.2 — Nqo15-like
Domain ID domain_idd3ias9_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.58 — Ferredoxin-like
Superfamily Superfamily superfamilyd.58.1 — 4Fe-4S ferredoxins
Family Family familyd.58.1.5 — Ferredoxin domains from multidomain proteins
Domain ID domain_idd3iasa1
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.142 — Nqo1 FMN-binding domain-like
Superfamily Superfamily superfamilyc.142.1 — Nqo1 FMN-binding domain-like
Family Family familyc.142.1.1 — Nqo1 FMN-binding domain-like
Domain ID domain_idd3iasa2
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.15 — beta-Grasp (ubiquitin-like)
Superfamily Superfamily superfamilyd.15.13 — Nqo1 middle domain-like
Family Family familyd.15.13.0 — automated matches
Domain ID domain_idd3iasa3
Class classa — All alpha proteins
Fold Fold folda.29 — Bromodomain-like
Superfamily Superfamily superfamilya.29.12 — Nqo1C-terminal domain-like
Family Family familya.29.12.0 — automated matches
Domain ID domain_idd3iasb_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.47 — Thioredoxin fold
Superfamily Superfamily superfamilyc.47.1 — Thioredoxin-like
Family Family familyc.47.1.21 — NQO2-like
Domain ID domain_idd3iasc1
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.15 — beta-Grasp (ubiquitin-like)
Superfamily Superfamily superfamilyd.15.4 — 2Fe-2S ferredoxin-like
Family Family familyd.15.4.0 — automated matches
Domain ID domain_idd3iasc2
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.58 — Ferredoxin-like
Superfamily Superfamily superfamilyd.58.1 — 4Fe-4S ferredoxins
Family Family familyd.58.1.0 — automated matches
Domain ID domain_idd3iasc3
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.81 — Formate dehydrogenase/DMSO reductase, domains 1-3
Superfamily Superfamily superfamilyc.81.1 — Formate dehydrogenase/DMSO reductase, domains 1-3
Family Family familyc.81.1.1 — Formate dehydrogenase/DMSO reductase, domains 1-3
Domain ID domain_idd3iasc4
Class classb — All beta proteins
Fold Fold foldb.52 — Double psi beta-barrel
Superfamily Superfamily superfamilyb.52.2 — ADC-like
Family Family familyb.52.2.0 — automated matches
Domain ID domain_idd3iasd_
Class classe — Multi-domain proteins (alpha and beta)
Fold Fold folde.18 — HydB/Nqo4-like
Superfamily Superfamily superfamilye.18.1 — HydB/Nqo4-like
Family Family familye.18.1.2 — Nqo4-like
Domain ID domain_idd3iase_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.307 — Nqo5-like
Superfamily Superfamily superfamilyd.307.1 — Nqo5-like
Family Family familyd.307.1.1 — Nqo5-like
Domain ID domain_idd3iasf_
Class classe — Multi-domain proteins (alpha and beta)
Fold Fold folde.19 — HydA/Nqo6-like
Superfamily Superfamily superfamilye.19.1 — HydA/Nqo6-like
Family Family familye.19.1.2 — Nq06-like
Domain ID domain_idd3iasg_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.58 — Ferredoxin-like
Superfamily Superfamily superfamilyd.58.1 — 4Fe-4S ferredoxins
Family Family familyd.58.1.5 — Ferredoxin domains from multidomain proteins
Domain ID domain_idd3iash_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.82 — N domain of copper amine oxidase-like
Superfamily Superfamily superfamilyd.82.2 — Frataxin/Nqo15-like
Family Family familyd.82.2.2 — Nqo15-like
Domain ID domain_idd3iasj1
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.142 — Nqo1 FMN-binding domain-like
Superfamily Superfamily superfamilyc.142.1 — Nqo1 FMN-binding domain-like
Family Family familyc.142.1.1 — Nqo1 FMN-binding domain-like
Domain ID domain_idd3iasj2
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.15 — beta-Grasp (ubiquitin-like)
Superfamily Superfamily superfamilyd.15.13 — Nqo1 middle domain-like
Family Family familyd.15.13.0 — automated matches
Domain ID domain_idd3iasj3
Class classa — All alpha proteins
Fold Fold folda.29 — Bromodomain-like
Superfamily Superfamily superfamilya.29.12 — Nqo1C-terminal domain-like
Family Family familya.29.12.0 — automated matches
Domain ID domain_idd3iask_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.47 — Thioredoxin fold
Superfamily Superfamily superfamilyc.47.1 — Thioredoxin-like
Family Family familyc.47.1.21 — NQO2-like
Domain ID domain_idd3iasl1
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.15 — beta-Grasp (ubiquitin-like)
Superfamily Superfamily superfamilyd.15.4 — 2Fe-2S ferredoxin-like
Family Family familyd.15.4.0 — automated matches
Domain ID domain_idd3iasl2
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.58 — Ferredoxin-like
Superfamily Superfamily superfamilyd.58.1 — 4Fe-4S ferredoxins
Family Family familyd.58.1.0 — automated matches
Domain ID domain_idd3iasl3
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.81 — Formate dehydrogenase/DMSO reductase, domains 1-3
Superfamily Superfamily superfamilyc.81.1 — Formate dehydrogenase/DMSO reductase, domains 1-3
Family Family familyc.81.1.1 — Formate dehydrogenase/DMSO reductase, domains 1-3
Domain ID domain_idd3iasl4
Class classb — All beta proteins
Fold Fold foldb.52 — Double psi beta-barrel
Superfamily Superfamily superfamilyb.52.2 — ADC-like
Family Family familyb.52.2.0 — automated matches
Domain ID domain_idd3iasm_
Class classe — Multi-domain proteins (alpha and beta)
Fold Fold folde.18 — HydB/Nqo4-like
Superfamily Superfamily superfamilye.18.1 — HydB/Nqo4-like
Family Family familye.18.1.2 — Nqo4-like
Domain ID domain_idd3iasn_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.307 — Nqo5-like
Superfamily Superfamily superfamilyd.307.1 — Nqo5-like
Family Family familyd.307.1.1 — Nqo5-like
Domain ID domain_idd3iaso_
Class classe — Multi-domain proteins (alpha and beta)
Fold Fold folde.19 — HydA/Nqo6-like
Superfamily Superfamily superfamilye.19.1 — HydA/Nqo6-like
Family Family familye.19.1.2 — Nq06-like
Domain ID domain_idd3iasp_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.58 — Ferredoxin-like
Superfamily Superfamily superfamilyd.58.1 — 4Fe-4S ferredoxins
Family Family familyd.58.1.5 — Ferredoxin domains from multidomain proteins
Domain ID domain_idd3iasq_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.82 — N domain of copper amine oxidase-like
Superfamily Superfamily superfamilyd.82.2 — Frataxin/Nqo15-like
Family Family familyd.82.2.2 — Nqo15-like
Domain ID domain_idd3iass1
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.142 — Nqo1 FMN-binding domain-like
Superfamily Superfamily superfamilyc.142.1 — Nqo1 FMN-binding domain-like
Family Family familyc.142.1.1 — Nqo1 FMN-binding domain-like
Domain ID domain_idd3iass2
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.15 — beta-Grasp (ubiquitin-like)
Superfamily Superfamily superfamilyd.15.13 — Nqo1 middle domain-like
Family Family familyd.15.13.0 — automated matches
Domain ID domain_idd3iass3
Class classa — All alpha proteins
Fold Fold folda.29 — Bromodomain-like
Superfamily Superfamily superfamilya.29.12 — Nqo1C-terminal domain-like
Family Family familya.29.12.0 — automated matches
Domain ID domain_idd3iast_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.47 — Thioredoxin fold
Superfamily Superfamily superfamilyc.47.1 — Thioredoxin-like
Family Family familyc.47.1.21 — NQO2-like
Domain ID domain_idd3iasu1
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.15 — beta-Grasp (ubiquitin-like)
Superfamily Superfamily superfamilyd.15.4 — 2Fe-2S ferredoxin-like
Family Family familyd.15.4.0 — automated matches
Domain ID domain_idd3iasu2
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.58 — Ferredoxin-like
Superfamily Superfamily superfamilyd.58.1 — 4Fe-4S ferredoxins
Family Family familyd.58.1.0 — automated matches
Domain ID domain_idd3iasu3
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.81 — Formate dehydrogenase/DMSO reductase, domains 1-3
Superfamily Superfamily superfamilyc.81.1 — Formate dehydrogenase/DMSO reductase, domains 1-3
Family Family familyc.81.1.1 — Formate dehydrogenase/DMSO reductase, domains 1-3
Domain ID domain_idd3iasu4
Class classb — All beta proteins
Fold Fold foldb.52 — Double psi beta-barrel
Superfamily Superfamily superfamilyb.52.2 — ADC-like
Family Family familyb.52.2.0 — automated matches
Domain ID domain_idd3iasv_
Class classe — Multi-domain proteins (alpha and beta)
Fold Fold folde.18 — HydB/Nqo4-like
Superfamily Superfamily superfamilye.18.1 — HydB/Nqo4-like
Family Family familye.18.1.2 — Nqo4-like
Domain ID domain_idd3iasw_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.307 — Nqo5-like
Superfamily Superfamily superfamilyd.307.1 — Nqo5-like
Family Family familyd.307.1.1 — Nqo5-like
Domain ID domain_idd3iasx_
Class classe — Multi-domain proteins (alpha and beta)
Fold Fold folde.19 — HydA/Nqo6-like
Superfamily Superfamily superfamilye.19.1 — HydA/Nqo6-like
Family Family familye.19.1.2 — Nq06-like
Domain ID domain_idd3iasy_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.58 — Ferredoxin-like
Superfamily Superfamily superfamilyd.58.1 — 4Fe-4S ferredoxins
Family Family familyd.58.1.5 — Ferredoxin domains from multidomain proteins
Domain ID domain_idd3iasz_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.82 — N domain of copper amine oxidase-like
Superfamily Superfamily superfamilyd.82.2 — Frataxin/Nqo15-like
Family Family familyd.82.2.2 — Nqo15-like

CATH v4.4 (40 domains)

Domain ID domain_id3ias101
Class class6 — Special
Architecture architecture10 — Helix non-globular
Topology topology250 — Single alpha-helices involved in coiled-coils or other helix-helix interfaces
Homologous superfamily homologous superfamily1450 —
Domain ID domain_id3ias102
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily11540 — NADH-ubiquinone oxidoreductase 51kDa subunit
Domain ID domain_id3ias103
Class class3 — Alpha Beta
Architecture architecture10 — Roll
Topology topology20 — Ubiquitin-like (UB roll)
Homologous superfamily homologous superfamily600 —
Domain ID domain_id3ias104
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology1440 — de novo design (two linked rop proteins)
Homologous superfamily homologous superfamily230 — NADH-ubiquinone oxidoreductase 51kDa subunit, iron-sulphur binding domain
Domain ID domain_id3ias201
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology10 — Arc Repressor Mutant, subunit A
Homologous superfamily homologous superfamily1590 — NADH-quinone oxidoreductase subunit E
Domain ID domain_id3ias202
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology30 — Glutaredoxin
Homologous superfamily homologous superfamily10 — Glutaredoxin
Domain ID domain_id3ias400
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology645 — Cytochrome-c3 Hydrogenase; chain B
Homologous superfamily homologous superfamily10 — Cytochrome-c3 Hydrogenase, chain B
Domain ID domain_id3ias600
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily12280 —
Domain ID domain_id3ias700
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology920 — Metal Transport, Frataxin; Chain A
Homologous superfamily homologous superfamily80 — NADH-quinone oxidoreductase, subunit 15
Domain ID domain_id3ias900
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily3270 —
Domain ID domain_id3iasA01
Class class6 — Special
Architecture architecture10 — Helix non-globular
Topology topology250 — Single alpha-helices involved in coiled-coils or other helix-helix interfaces
Homologous superfamily homologous superfamily1450 —
Domain ID domain_id3iasA02
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily11540 — NADH-ubiquinone oxidoreductase 51kDa subunit
Domain ID domain_id3iasA03
Class class3 — Alpha Beta
Architecture architecture10 — Roll
Topology topology20 — Ubiquitin-like (UB roll)
Homologous superfamily homologous superfamily600 —
Domain ID domain_id3iasA04
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology1440 — de novo design (two linked rop proteins)
Homologous superfamily homologous superfamily230 — NADH-ubiquinone oxidoreductase 51kDa subunit, iron-sulphur binding domain
Domain ID domain_id3iasB01
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology10 — Arc Repressor Mutant, subunit A
Homologous superfamily homologous superfamily1590 — NADH-quinone oxidoreductase subunit E
Domain ID domain_id3iasB02
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology30 — Glutaredoxin
Homologous superfamily homologous superfamily10 — Glutaredoxin
Domain ID domain_id3iasD00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology645 — Cytochrome-c3 Hydrogenase; chain B
Homologous superfamily homologous superfamily10 — Cytochrome-c3 Hydrogenase, chain B
Domain ID domain_id3iasF00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily12280 —
Domain ID domain_id3iasG00
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily3270 —
Domain ID domain_id3iasH00
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology920 — Metal Transport, Frataxin; Chain A
Homologous superfamily homologous superfamily80 — NADH-quinone oxidoreductase, subunit 15
Domain ID domain_id3iasJ01
Class class6 — Special
Architecture architecture10 — Helix non-globular
Topology topology250 — Single alpha-helices involved in coiled-coils or other helix-helix interfaces
Homologous superfamily homologous superfamily1450 —
Domain ID domain_id3iasJ02
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily11540 — NADH-ubiquinone oxidoreductase 51kDa subunit
Domain ID domain_id3iasJ03
Class class3 — Alpha Beta
Architecture architecture10 — Roll
Topology topology20 — Ubiquitin-like (UB roll)
Homologous superfamily homologous superfamily600 —
Domain ID domain_id3iasJ04
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology1440 — de novo design (two linked rop proteins)
Homologous superfamily homologous superfamily230 — NADH-ubiquinone oxidoreductase 51kDa subunit, iron-sulphur binding domain
Domain ID domain_id3iasK01
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology10 — Arc Repressor Mutant, subunit A
Homologous superfamily homologous superfamily1590 — NADH-quinone oxidoreductase subunit E
Domain ID domain_id3iasK02
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology30 — Glutaredoxin
Homologous superfamily homologous superfamily10 — Glutaredoxin
Domain ID domain_id3iasM00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology645 — Cytochrome-c3 Hydrogenase; chain B
Homologous superfamily homologous superfamily10 — Cytochrome-c3 Hydrogenase, chain B
Domain ID domain_id3iasO00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily12280 —
Domain ID domain_id3iasP00
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily3270 —
Domain ID domain_id3iasQ00
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology920 — Metal Transport, Frataxin; Chain A
Homologous superfamily homologous superfamily80 — NADH-quinone oxidoreductase, subunit 15
Domain ID domain_id3iasS01
Class class6 — Special
Architecture architecture10 — Helix non-globular
Topology topology250 — Single alpha-helices involved in coiled-coils or other helix-helix interfaces
Homologous superfamily homologous superfamily1450 —
Domain ID domain_id3iasS02
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily11540 — NADH-ubiquinone oxidoreductase 51kDa subunit
Domain ID domain_id3iasS03
Class class3 — Alpha Beta
Architecture architecture10 — Roll
Topology topology20 — Ubiquitin-like (UB roll)
Homologous superfamily homologous superfamily600 —
Domain ID domain_id3iasS04
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology1440 — de novo design (two linked rop proteins)
Homologous superfamily homologous superfamily230 — NADH-ubiquinone oxidoreductase 51kDa subunit, iron-sulphur binding domain
Domain ID domain_id3iasT01
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology10 — Arc Repressor Mutant, subunit A
Homologous superfamily homologous superfamily1590 — NADH-quinone oxidoreductase subunit E
Domain ID domain_id3iasT02
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology30 — Glutaredoxin
Homologous superfamily homologous superfamily10 — Glutaredoxin
Domain ID domain_id3iasV00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology645 — Cytochrome-c3 Hydrogenase; chain B
Homologous superfamily homologous superfamily10 — Cytochrome-c3 Hydrogenase, chain B
Domain ID domain_id3iasX00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily12280 —
Domain ID domain_id3iasY00
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily3270 —
Domain ID domain_id3iasZ00
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology920 — Metal Transport, Frataxin; Chain A
Homologous superfamily homologous superfamily80 — NADH-quinone oxidoreductase, subunit 15
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8. Citations (2)

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9. Files and Curves (10)