› 7tlj

Electron Microscopy
2.91Å resolution

Rhodobacter sphaeroides Mitochondrial respiratory chain complex

Released:
DOI: 10.2210/pdb7tlj/pdb
PDB entry 7tlj coloured by chain, front view.
PDB entry 7tlj coloured by chain, side view.
PDB entry 7tlj coloured by chain, top view.
Source organism: Cereibacter sphaeroides
Entry authors: Xia D, Zhou F, Esser L, Huang R
Related structures: EMD-25989

Function and Biology Details

Reaction catalysed: 
Quinol + 2 ferricytochrome c(Side 2) = quinone + 2 ferrocytochrome c(Side 2) + 2 H(+)(Side 2)
Biochemical function:
Biological process:
Cellular component:
Sequence domains:

Structure analysis Details

Assembly composition:
hetero octamer (preferred)
PDBe Complex ID:
PDB-CPX-147757 (preferred)
Entry contents:
4 distinct polypeptide molecules
Macromolecules (4 distinct):
Cytochrome b Chains: A, E
Molecule details ›
Chains: A, E
Length: 445 amino acids
Theoretical weight: 50.09 KDa
Source organism: Cereibacter sphaeroides
UniProt:
  • Canonical: Q02761 (Residues: 1-445; Coverage: 100%)
Gene names: fbcB, petB
Sequence domains:
Cytochrome c1 Chains: B, F
Molecule details ›
Chains: B, F
Length: 272 amino acids
Theoretical weight: 29.59 KDa
Source organism: Cereibacter sphaeroides
Expression system: Escherichia coli
UniProt:
  • Canonical: Q02760 (Residues: 23-285; Coverage: 100%)
Gene names: fbcC, petC
Sequence domains: Cytochrome C1 family
Ubiquinol-cytochrome c reductase iron-sulfur subunit Chains: C, G
14 kDa peptide of ubiquinol-cytochrome c2 oxidoreductase complex Chains: D, H

Ligands and Environments

5 bound ligands:
Ligand HEM 4 x HEM
Ligand PQU 2 x PQU
Ligand LOP 2 x LOP
Ligand HEC 2 x HEC
Ligand FES 2 x FES
No modified residues

Experiments and Validation Details

Entry percentile scores
Resolution: 2.91Å
Relevant EMDB volumes: EMD-25989
Expression system: Escherichia coli

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