7nz1

Electron Microscopy
2.1Å resolution

Respiratory complex I from Escherichia coli - focused refinement of cytoplasmic arm

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero hexamer (preferred)
PDBe Complex ID:
PDB-CPX-142710 (preferred)
Entry contents:
6 distinct polypeptide molecules
Macromolecules (6 distinct):
NADH-quinone oxidoreductase subunit B Chain: B
Molecule details ›
Chain: B
Length: 220 amino acids
Theoretical weight: 25.1 KDa
Source organism: Escherichia coli B
UniProt:
  • Canonical: P0AFC7 (Residues: 1-220; Coverage: 100%)
Gene names: JW5875, b2287, nuoB
Sequence domains: NADH ubiquinone oxidoreductase, 20 Kd subunit
NADH-quinone oxidoreductase subunit C/D Chain: D
Molecule details ›
Chain: D
Length: 596 amino acids
Theoretical weight: 68.32 KDa
Source organism: Escherichia coli B
UniProt:
  • Canonical: P33599 (Residues: 1-596; Coverage: 100%)
Gene names: JW5375, b2286, nuoC, nuoCD, nuoD
Sequence domains:
NADH-quinone oxidoreductase subunit E Chain: E
Molecule details ›
Chain: E
Length: 166 amino acids
Theoretical weight: 18.63 KDa
Source organism: Escherichia coli B
UniProt:
  • Canonical: P0AFD1 (Residues: 1-166; Coverage: 100%)
Gene names: JW2280, b2285, nuoE
Sequence domains: Thioredoxin-like [2Fe-2S] ferredoxin
NADH-quinone oxidoreductase subunit F Chain: F
Molecule details ›
Chain: F
Length: 445 amino acids
Theoretical weight: 49.37 KDa
Source organism: Escherichia coli B
UniProt:
  • Canonical: P31979 (Residues: 1-445; Coverage: 100%)
Gene names: JW2279, b2284, nuoF
Sequence domains:
NADH-quinone oxidoreductase subunit G Chain: G
NADH-quinone oxidoreductase subunit I Chain: I
Molecule details ›
Chain: I
Length: 180 amino acids
Theoretical weight: 20.56 KDa
Source organism: Escherichia coli B
UniProt:
  • Canonical: P0AFD6 (Residues: 1-180; Coverage: 100%)
Gene names: JW2276, b2281, nuoI
Sequence domains: 4Fe-4S binding domain

Ligands and Environments

1 modified residue:

Experiments and Validation Details

Entry percentile scores
Resolution: 2.1Å
Relevant EMDB volumes: EMD-12661