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Protein Structures and Oligomeric States

Enter a protein name, UniProt accession or PDB ID. Name searches ask you to confirm the protein identity before related structures are queried.

Current Protein Identity：Q56221 New Search
17PDB entries
33Biological assembly
33chain/assembly records
Main Difference Dimensions in This Set
Different assembly state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics

Difference tags compare only the current result set; every original PDB and assembly record remains separate.

Related-Structure Differences

Each row represents one biological assembly in one PDB entry; multiple monomers of the same protein are listed separately.

PDB Entry Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Experimental Method Experimental Conditions Structure Quality
2FUG Crystal structure of the hydrophilic domain of respiratory complex I from Thermus thermophilus Deposited 2006-01-26 Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric（8） Consistent with protein count
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 Assembly 2 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric（8） Consistent with protein count
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 Assembly 3 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric（8） Consistent with protein count
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 Assembly 4 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric（8） Consistent with protein count
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 Assembly 1 Protein heterocomplex Heteromer；Protein × 48 PDB declaration: 48-meric（48） Consistent with protein count
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 Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric（8） Consistent with protein count
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 Assembly 2 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric（8） Consistent with protein count
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 Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric（8） Consistent with protein count
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 Assembly 2 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric（8） Consistent with protein count
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 Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric（8） Consistent with protein count
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 Assembly 2 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric（8） Consistent with protein count
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 Assembly 3 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric（8） Consistent with protein count
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 Assembly 4 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric（8） Consistent with protein count
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
3M9S Crystal structure of respiratory complex I from Thermus thermophilus Deposited 2010-03-22 Assembly 1 Protein heterocomplex Heteromer；Protein × 13 PDB declaration: tridecameric（13） Consistent with protein count
Chain 2 1–181（181 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；295 K；16% PEG 4000, 100 mM Bis-Tris, 100 mM KCl, 100 mM glutaric acid and 2.04 mM n-octyl- -maltoside fluorinated, pH 6.0, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 4.50 Å
3M9S Crystal structure of respiratory complex I from Thermus thermophilus Deposited 2010-03-22 Assembly 2 Protein heterocomplex Heteromer；Protein × 13 PDB declaration: tridecameric（13） Consistent with protein count
Chain B 1–181（181 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 7 FMN FLAVIN MONONUCLEOTIDE × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；295 K；16% PEG 4000, 100 mM Bis-Tris, 100 mM KCl, 100 mM glutaric acid and 2.04 mM n-octyl- -maltoside fluorinated, pH 6.0, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 4.50 Å
4HEA Crystal structure of the entire respiratory complex I from Thermus thermophilus Deposited 2012-10-03 Assembly 1 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric（16） Consistent with protein count
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 Assembly 2 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric（16） Consistent with protein count
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 Assembly 1 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric（16） Consistent with protein count
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 Assembly 2 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric（16） Consistent with protein count
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 Assembly 1 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric（16） Consistent with protein count
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 Assembly 2 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric（16） Consistent with protein count
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 Assembly 1 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric（16） Consistent with protein count
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 Assembly 2 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric（16） Consistent with protein count
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 Assembly 1 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric（16） Consistent with protein count
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 Assembly 2 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric（16） Consistent with protein count
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 Assembly 1 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric（16） Consistent with protein count
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 Assembly 2 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric（16） Consistent with protein count
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 Assembly 1 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric（16） Consistent with protein count
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 Assembly 2 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric（16） Consistent with protein count
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 Assembly 1 Protein heterocomplex Heteromer；Protein × 15 PDB declaration: pentadecameric（15） Consistent with protein count
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 Assembly 1 Protein heterocomplex Heteromer；Protein × 15 PDB declaration: pentadecameric（15） Consistent with protein count
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 Assembly 1 Protein heterocomplex Heteromer；Protein × 15 PDB declaration: pentadecameric（15） Consistent with protein count
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 Assembly 1 Protein heterocomplex Heteromer；Protein × 15 PDB declaration: pentadecameric（15） Consistent with protein count
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

This page presents structural evidence recorded in PDB/mmCIF.“No recorded non-water small molecule” does not prove that the experimental sample was ligand-free; experimental conditions belong to the PDB experiment, while ligands and copy counts are shown for each biological assembly.