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3m9s

Crystal structure of respiratory complex I from Thermus thermophilus

Method: X-RAY DIFFRACTION Dmax: 220.3 Å Quality: EXCELLENT
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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 × 13 PDB declaration: tridecameric（13） 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 C × 1 （Q56219） NADH-quinone oxidoreductase subunit B × 1 （Q56218） NADH-quinone oxidoreductase subunit I × 1 （Q56224） NADH-quinone oxidoreductase subunit 15 × 1 （Q5SKZ7） NADH-quinone oxidoreductase subunit 12 × 1 NADH-quinone oxidoreductase subunit 13 × 1 NADH-quinone oxidoreductase subunit 14 × 1 NADH-quinone oxidoreductase subunits 7, 10 and 11 × 1 NADH-quinone oxidoreductase subunit 8 × 1 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
2 Protein heterocomplex Heteromer Protein × 13 PDB declaration: tridecameric（13） 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 C × 1 （Q56219） NADH-quinone oxidoreductase subunit B × 1 （Q56218） NADH-quinone oxidoreductase subunit I × 1 （Q56224） NADH-quinone oxidoreductase subunit 15 × 1 （Q5SKZ7） NADH-quinone oxidoreductase subunit 12 × 1 NADH-quinone oxidoreductase subunit 13 × 1 NADH-quinone oxidoreductase subunit 14 × 1 NADH-quinone oxidoreductase subunits 7, 10 and 11 × 1 NADH-quinone oxidoreductase subunit 8 × 1 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

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 3M9S 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 oligomeric state 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 oligomeric state 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 oligomeric state 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 oligomeric state 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 oligomeric state 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 oligomeric state 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 oligomeric state 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 oligomeric state 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
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 Deposited 2009-07-14 Different oligomeric state 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 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
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 Deposited 2009-07-14 Different oligomeric state 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 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
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 Deposited 2009-07-14 Different oligomeric state 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）
Not recorded 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
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 Deposited 2009-07-14 Different oligomeric state 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）
Not recorded 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
4HEA Crystal structure of the entire respiratory complex I from Thermus thermophilus Deposited 2012-10-03 Different oligomeric state 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 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 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 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 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 31 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

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 × 13 PDB declaration: tridecameric（13） 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 C × 1 （Q56219） NADH-quinone oxidoreductase subunit B × 1 （Q56218） NADH-quinone oxidoreductase subunit I × 1 （Q56224） NADH-quinone oxidoreductase subunit 15 × 1 （Q5SKZ7） NADH-quinone oxidoreductase subunit 12 × 1 NADH-quinone oxidoreductase subunit 13 × 1 NADH-quinone oxidoreductase subunit 14 × 1 NADH-quinone oxidoreductase subunits 7, 10 and 11 × 1 NADH-quinone oxidoreductase subunit 8 × 1 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
2 Protein heterocomplex Heteromer Protein × 13 PDB declaration: tridecameric（13） 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 C × 1 （Q56219） NADH-quinone oxidoreductase subunit B × 1 （Q56218） NADH-quinone oxidoreductase subunit I × 1 （Q56224） NADH-quinone oxidoreductase subunit 15 × 1 （Q5SKZ7） NADH-quinone oxidoreductase subunit 12 × 1 NADH-quinone oxidoreductase subunit 13 × 1 NADH-quinone oxidoreductase subunit 14 × 1 NADH-quinone oxidoreductase subunits 7, 10 and 11 × 1 NADH-quinone oxidoreductase subunit 8 × 1 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

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 3M9S 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 oligomeric state 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 oligomeric state 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 oligomeric state 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 oligomeric state 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 oligomeric state 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 oligomeric state 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 oligomeric state 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 oligomeric state 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
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 Deposited 2009-07-14 Different oligomeric state 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 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
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 Deposited 2009-07-14 Different oligomeric state 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 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
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 Deposited 2009-07-14 Different oligomeric state 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 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
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 Deposited 2009-07-14 Different oligomeric state 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 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
4HEA Crystal structure of the entire respiratory complex I from Thermus thermophilus Deposited 2012-10-03 Different oligomeric state 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 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 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 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 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 31 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

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 × 13 PDB declaration: tridecameric（13） 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 C × 1 （Q56219） NADH-quinone oxidoreductase subunit B × 1 （Q56218） NADH-quinone oxidoreductase subunit I × 1 （Q56224） NADH-quinone oxidoreductase subunit 15 × 1 （Q5SKZ7） NADH-quinone oxidoreductase subunit 12 × 1 NADH-quinone oxidoreductase subunit 13 × 1 NADH-quinone oxidoreductase subunit 14 × 1 NADH-quinone oxidoreductase subunits 7, 10 and 11 × 1 NADH-quinone oxidoreductase subunit 8 × 1 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
2 Protein heterocomplex Heteromer Protein × 13 PDB declaration: tridecameric（13） 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 C × 1 （Q56219） NADH-quinone oxidoreductase subunit B × 1 （Q56218） NADH-quinone oxidoreductase subunit I × 1 （Q56224） NADH-quinone oxidoreductase subunit 15 × 1 （Q5SKZ7） NADH-quinone oxidoreductase subunit 12 × 1 NADH-quinone oxidoreductase subunit 13 × 1 NADH-quinone oxidoreductase subunit 14 × 1 NADH-quinone oxidoreductase subunits 7, 10 and 11 × 1 NADH-quinone oxidoreductase subunit 8 × 1 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

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 3M9S 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 oligomeric state 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 oligomeric state 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 oligomeric state 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 oligomeric state 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 oligomeric state 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 oligomeric state 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 oligomeric state 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 oligomeric state 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
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 Deposited 2009-07-14 Different oligomeric state 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 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
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 Deposited 2009-07-14 Different oligomeric state 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 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
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 Deposited 2009-07-14 Different oligomeric state 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 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
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 Deposited 2009-07-14 Different oligomeric state 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 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
4HEA Crystal structure of the entire respiratory complex I from Thermus thermophilus Deposited 2012-10-03 Different oligomeric state 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 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 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 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 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 31 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

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 × 13 PDB declaration: tridecameric（13） 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 C × 1 （Q56219） NADH-quinone oxidoreductase subunit B × 1 （Q56218） NADH-quinone oxidoreductase subunit I × 1 （Q56224） NADH-quinone oxidoreductase subunit 15 × 1 （Q5SKZ7） NADH-quinone oxidoreductase subunit 12 × 1 NADH-quinone oxidoreductase subunit 13 × 1 NADH-quinone oxidoreductase subunit 14 × 1 NADH-quinone oxidoreductase subunits 7, 10 and 11 × 1 NADH-quinone oxidoreductase subunit 8 × 1 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
2 Protein heterocomplex Heteromer Protein × 13 PDB declaration: tridecameric（13） 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 C × 1 （Q56219） NADH-quinone oxidoreductase subunit B × 1 （Q56218） NADH-quinone oxidoreductase subunit I × 1 （Q56224） NADH-quinone oxidoreductase subunit 15 × 1 （Q5SKZ7） NADH-quinone oxidoreductase subunit 12 × 1 NADH-quinone oxidoreductase subunit 13 × 1 NADH-quinone oxidoreductase subunit 14 × 1 NADH-quinone oxidoreductase subunits 7, 10 and 11 × 1 NADH-quinone oxidoreductase subunit 8 × 1 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

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 3M9S 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 oligomeric state 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 oligomeric state 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 oligomeric state 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 oligomeric state 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 oligomeric state 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 oligomeric state 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 oligomeric state 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 oligomeric state 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
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 Deposited 2009-07-14 Different oligomeric state 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 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
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 Deposited 2009-07-14 Different oligomeric state 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 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
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 Deposited 2009-07-14 Different oligomeric state 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 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
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 Deposited 2009-07-14 Different oligomeric state 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 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
4HEA Crystal structure of the entire respiratory complex I from Thermus thermophilus Deposited 2012-10-03 Different oligomeric state 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 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 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 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 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 31 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

NADH-quinone oxidoreductase subunit C

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 × 13 PDB declaration: tridecameric（13） 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 B × 1 （Q56218） NADH-quinone oxidoreductase subunit I × 1 （Q56224） NADH-quinone oxidoreductase subunit 15 × 1 （Q5SKZ7） NADH-quinone oxidoreductase subunit 12 × 1 NADH-quinone oxidoreductase subunit 13 × 1 NADH-quinone oxidoreductase subunit 14 × 1 NADH-quinone oxidoreductase subunits 7, 10 and 11 × 1 NADH-quinone oxidoreductase subunit 8 × 1 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
2 Protein heterocomplex Heteromer Protein × 13 PDB declaration: tridecameric（13） 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 B × 1 （Q56218） NADH-quinone oxidoreductase subunit I × 1 （Q56224） NADH-quinone oxidoreductase subunit 15 × 1 （Q5SKZ7） NADH-quinone oxidoreductase subunit 12 × 1 NADH-quinone oxidoreductase subunit 13 × 1 NADH-quinone oxidoreductase subunit 14 × 1 NADH-quinone oxidoreductase subunits 7, 10 and 11 × 1 NADH-quinone oxidoreductase subunit 8 × 1 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

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 3M9S 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 oligomeric state 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 oligomeric state 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 oligomeric state 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 oligomeric state 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 oligomeric state 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 oligomeric state 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 oligomeric state 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 oligomeric state 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
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 Deposited 2009-07-14 Different oligomeric state 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 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
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 Deposited 2009-07-14 Different oligomeric state 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 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
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 Deposited 2009-07-14 Different oligomeric state 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 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
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 Deposited 2009-07-14 Different oligomeric state 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 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
4HEA Crystal structure of the entire respiratory complex I from Thermus thermophilus Deposited 2012-10-03 Different oligomeric state 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 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 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 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 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 33 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

NADH-quinone oxidoreductase subunit B

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 × 13 PDB declaration: tridecameric（13） 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 C × 1 （Q56219） NADH-quinone oxidoreductase subunit I × 1 （Q56224） NADH-quinone oxidoreductase subunit 15 × 1 （Q5SKZ7） NADH-quinone oxidoreductase subunit 12 × 1 NADH-quinone oxidoreductase subunit 13 × 1 NADH-quinone oxidoreductase subunit 14 × 1 NADH-quinone oxidoreductase subunits 7, 10 and 11 × 1 NADH-quinone oxidoreductase subunit 8 × 1 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
2 Protein heterocomplex Heteromer Protein × 13 PDB declaration: tridecameric（13） 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 C × 1 （Q56219） NADH-quinone oxidoreductase subunit I × 1 （Q56224） NADH-quinone oxidoreductase subunit 15 × 1 （Q5SKZ7） NADH-quinone oxidoreductase subunit 12 × 1 NADH-quinone oxidoreductase subunit 13 × 1 NADH-quinone oxidoreductase subunit 14 × 1 NADH-quinone oxidoreductase subunits 7, 10 and 11 × 1 NADH-quinone oxidoreductase subunit 8 × 1 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

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 3M9S 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 oligomeric state 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 oligomeric state 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 oligomeric state 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 oligomeric state 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 oligomeric state 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 oligomeric state 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 oligomeric state 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 oligomeric state 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
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 Deposited 2009-07-14 Different oligomeric state 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 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
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 Deposited 2009-07-14 Different oligomeric state 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 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
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 Deposited 2009-07-14 Different oligomeric state 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 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
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 Deposited 2009-07-14 Different oligomeric state 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 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
4HEA Crystal structure of the entire respiratory complex I from Thermus thermophilus Deposited 2012-10-03 Different oligomeric state 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 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 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 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 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 31 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

NADH-quinone oxidoreductase subunit I

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 × 13 PDB declaration: tridecameric（13） 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 C × 1 （Q56219） NADH-quinone oxidoreductase subunit B × 1 （Q56218） NADH-quinone oxidoreductase subunit 15 × 1 （Q5SKZ7） NADH-quinone oxidoreductase subunit 12 × 1 NADH-quinone oxidoreductase subunit 13 × 1 NADH-quinone oxidoreductase subunit 14 × 1 NADH-quinone oxidoreductase subunits 7, 10 and 11 × 1 NADH-quinone oxidoreductase subunit 8 × 1 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
2 Protein heterocomplex Heteromer Protein × 13 PDB declaration: tridecameric（13） 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 C × 1 （Q56219） NADH-quinone oxidoreductase subunit B × 1 （Q56218） NADH-quinone oxidoreductase subunit 15 × 1 （Q5SKZ7） NADH-quinone oxidoreductase subunit 12 × 1 NADH-quinone oxidoreductase subunit 13 × 1 NADH-quinone oxidoreductase subunit 14 × 1 NADH-quinone oxidoreductase subunits 7, 10 and 11 × 1 NADH-quinone oxidoreductase subunit 8 × 1 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

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 3M9S 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 oligomeric state 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 oligomeric state 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 oligomeric state 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 oligomeric state 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 oligomeric state 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 oligomeric state 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 oligomeric state 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 oligomeric state 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
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 Deposited 2009-07-14 Different oligomeric state 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 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
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 Deposited 2009-07-14 Different oligomeric state 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 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
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 Deposited 2009-07-14 Different oligomeric state 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 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
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 Deposited 2009-07-14 Different oligomeric state 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 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
4HEA Crystal structure of the entire respiratory complex I from Thermus thermophilus Deposited 2012-10-03 Different oligomeric state 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 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 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 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 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 31 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

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 × 13 PDB declaration: tridecameric（13） 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 C × 1 （Q56219） NADH-quinone oxidoreductase subunit B × 1 （Q56218） NADH-quinone oxidoreductase subunit I × 1 （Q56224） NADH-quinone oxidoreductase subunit 12 × 1 NADH-quinone oxidoreductase subunit 13 × 1 NADH-quinone oxidoreductase subunit 14 × 1 NADH-quinone oxidoreductase subunits 7, 10 and 11 × 1 NADH-quinone oxidoreductase subunit 8 × 1 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
2 Protein heterocomplex Heteromer Protein × 13 PDB declaration: tridecameric（13） Consistent with protein copy count Chain J； 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 C × 1 （Q56219） NADH-quinone oxidoreductase subunit B × 1 （Q56218） NADH-quinone oxidoreductase subunit I × 1 （Q56224） NADH-quinone oxidoreductase subunit 12 × 1 NADH-quinone oxidoreductase subunit 13 × 1 NADH-quinone oxidoreductase subunit 14 × 1 NADH-quinone oxidoreductase subunits 7, 10 and 11 × 1 NADH-quinone oxidoreductase subunit 8 × 1 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

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 3M9S 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 oligomeric state 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 oligomeric state 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 oligomeric state 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 oligomeric state 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
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 Deposited 2009-07-14 Different oligomeric state 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 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
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 Deposited 2009-07-14 Different oligomeric state 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 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
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 Deposited 2009-07-14 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 3 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric
Chain Q 1–129（129 aa）
Not recorded 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
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 Deposited 2009-07-14 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 4 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric
Chain Z 1–129（129 aa）
Not recorded 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
4HEA Crystal structure of the entire respiratory complex I from Thermus thermophilus Deposited 2012-10-03 Different oligomeric state 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 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 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 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 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 27 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 J； 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 3m9s

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 3m9s
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2. Structure Basics 2. Structure Basics

Entry ID entry_id3m9s
Deposition date deposition_date2010-03-22
Structure title titleCrystal structure of respiratory complex I from Thermus thermophilus
Keywords keywordsMEMBRANE PROTEIN, COMPLEX I, OXIDOREDUCTASE, 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_guinier84.71 Å
Radius of gyration Rg (electron density) rg_electron82.90 Å
Forward intensity I(0) i06844270000.00
Molecular weight molecular_weight671710.0 kDa
Excluded volume excluded_volume825890 ų
Envelope volume envelope_volume1819900 ų
Hydration-shell volume shell_volume177060 ų
Envelope diameter envelope_diameter360.1 Å
Shell Rg shell_rg73.74 Å
Envelope Rg envelope_rg95.70 Å
Shape Rg shape_rg84.20 Å
Total Rg total_rg78.26 Å
Total atoms total_atoms47664
Residues n_residues8122
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 dmax220.3 Å
Rg (real space) rg_real78.14 Å
Rg uncertainty (real space) rg_real_error0.76 Å
I(0) (real space) i0_real6.5050e+09
I(0) uncertainty (real space) i0_real_error1.1710e+08
Rg (reciprocal space) rg_reciprocal81.07 Å
I(0) (reciprocal space) i0_reciprocal6774000000.0000
Solution quality estimate total_estimate0.9173
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary97.9 Å
Skewness Skewness skewness0.241
Kurtosis Kurtosis kurtosis-0.669
Angular range angular_range— – 0.0900 Å−1
Current regularization parameter α current_alpha0.6707
Highest regularization parameter α highest_alpha165000000.0000
Real-space data points n_real_points19
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.008; Oscil: 1.000; Stabil: 0.988; Sysdev: 1.000; Positv: 1.000; Valcen: 0.960; Smooth: 0.002
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5. Crystallography and Experiment 5. Crystallography & Experiment

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6. Entities and Polymers Entities & Polymers (16)

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8. Citations (1)

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9. Files and Curves (10)