3h1h

X-ray diffraction
3.16Å resolution

Cytochrome bc1 complex from chicken

Released:
Source organism: Gallus gallus

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero icosamer (preferred)
Entry contents:
10 distinct polypeptide molecules
Macromolecules (10 distinct):
Mitochondrial ubiquinol-cytochrome-c reductase complex core protein i Chains: A, N
Molecule details ›
Chains: A, N
Length: 446 amino acids
Theoretical weight: 49.5 KDa
Source organism: Gallus gallus
UniProt:
  • Canonical: D0VX31 (Residues: 1-446; Coverage: 100%)
Sequence domains:
Structure domains: Metalloenzyme, LuxS/M16 peptidase-like
UBIQUINOL-CYTOCHROME-C REDUCTASE COMPLEX CORE PROTEIN 2, MITOCHONDRIAL Chains: B, O
Molecule details ›
Chains: B, O
Length: 441 amino acids
Theoretical weight: 46.68 KDa
Source organism: Gallus gallus
Structure domains: Metalloenzyme, LuxS/M16 peptidase-like
Cytochrome b Chains: C, P
Molecule details ›
Chains: C, P
Length: 380 amino acids
Theoretical weight: 42.62 KDa
Source organism: Gallus gallus
UniProt:
  • Canonical: P18946 (Residues: 1-380; Coverage: 100%)
Gene names: COB, CYTB, MT-CYB, MTCYB
Sequence domains:
Structure domains: Cytochrome Bc1 Complex; Chain C
Cytochrome c domain-containing protein Chains: D, Q
Molecule details ›
Chains: D, Q
Length: 241 amino acids
Theoretical weight: 26.97 KDa
Source organism: Gallus gallus
UniProt:
  • Canonical: D0VX26 (Residues: 1-241; Coverage: 100%)
Sequence domains: Cytochrome C1 family
Structure domains:
Cytochrome b-c1 complex subunit Rieske, mitochondrial Chains: E, R
Molecule details ›
Chains: E, R
Length: 196 amino acids
Theoretical weight: 21.51 KDa
Source organism: Gallus gallus
UniProt:
  • Canonical: Q5ZLR5 (Residues: 77-272; Coverage: 72%)
Gene names: RCJMB04_5b19, UQCRFS1
Sequence domains:
Structure domains:
UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 14 KDA PROTEIN Chains: F, S
Molecule details ›
Chains: F, S
Length: 110 amino acids
Theoretical weight: 13.39 KDa
Source organism: Gallus gallus
Structure domains: Cytochrome b-c1 complex subunit 7
Mitochondrial ubiquinol-cytochrome c reductase ubiquinone-binding protein qp-c Chains: G, T
Molecule details ›
Chains: G, T
Length: 81 amino acids
Theoretical weight: 9.5 KDa
Source organism: Gallus gallus
UniProt:
  • Canonical: D0VX32 (Residues: 1-81; Coverage: 100%)
Sequence domains: UcrQ family
Structure domains: Cytochrome b-c1 complex subunit 8
UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 11 KDA PROTEIN Chains: H, U
Molecule details ›
Chains: H, U
Length: 77 amino acids
Theoretical weight: 9.06 KDa
Source organism: Gallus gallus
Structure domains: Ubiquinol-cytochrome C reductase hinge domain
Cytochrome b-c1 complex subunit 9 Chains: I, V
Molecule details ›
Chains: I, V
Length: 47 amino acids
Theoretical weight: 4.79 KDa
Source organism: Gallus gallus
UniProt:
  • Canonical: Q5ZLR5 (Residues: 45-76; Coverage: 12%)
Gene names: RCJMB04_5b19, UQCRFS1
Structure domains: Cytochrome Bc1 Complex; Chain I
Mitochondrial ubiquinol-cytochrome c reductase 7.2 kda protein Chains: J, W
Molecule details ›
Chains: J, W
Length: 61 amino acids
Theoretical weight: 7.01 KDa
Source organism: Gallus gallus
UniProt:
  • Canonical: D0VX27 (Residues: 1-61; Coverage: 100%)
Sequence domains: Ubiquinol-cytochrome C reductase, UQCRX/QCR9 like
Structure domains: Cytochrome b-c1 complex subunit 9

Ligands and Environments


Cofactor: Ligand HEC 2 x HEC

Cofactor: Ligand HEM 4 x HEM

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRL BEAMLINE BL7-1
Spacegroup: P212121
Unit cell:
a: 169.59Å b: 182.518Å c: 240.573Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.253 0.253 0.291