PDBe 1nu1

X-ray diffraction
3.2Å resolution

Crystal Structure of Mitochondrial Cytochrome bc1 Complexed with 2-nonyl-4-hydroxyquinoline N-oxide (NQNO)

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero 22-mer (preferred)
Entry contents:
11 distinct polypeptide molecules
Macromolecules (11 distinct):
Cytochrome b Chain: C
Molecule details ›
Chain: C
Length: 379 amino acids
Theoretical weight: 42.62 KDa
Source organism: Bos taurus
UniProt:
  • Canonical: P00157 (Residues: 1-379; Coverage: 100%)
Gene names: COB, CYTB, MT-CYB, MTCYB
Sequence domains:
Structure domains: Cytochrome Bc1 Complex; Chain C
Cytochrome c1, heme protein, mitochondrial Chain: D
Molecule details ›
Chain: D
Length: 241 amino acids
Theoretical weight: 27.32 KDa
Source organism: Bos taurus
UniProt:
  • Canonical: P00125 (Residues: 85-325; Coverage: 74%)
Gene name: CYC1
Sequence domains: Cytochrome C1 family
Structure domains:
Cytochrome b-c1 complex subunit 9 Chain: I
Molecule details ›
Chain: I
Length: 57 amino acids
Theoretical weight: 5.82 KDa
Source organism: Bos taurus
UniProt:
  • Canonical: P13272 (Residues: 1-57; Coverage: 21%)
Gene name: UQCRFS1
Structure domains: Cytochrome Bc1 Complex; Chain I
Cytochrome b-c1 complex subunit 6, mitochondrial Chain: H
Molecule details ›
Chain: H
Length: 78 amino acids
Theoretical weight: 9.19 KDa
Source organism: Bos taurus
UniProt:
  • Canonical: P00126 (Residues: 14-91; Coverage: 86%)
Gene name: UQCRH
Sequence domains: Ubiquinol-cytochrome C reductase hinge protein
Structure domains: Helix Hairpins
Cytochrome b-c1 complex subunit 7 Chain: F
Molecule details ›
Chain: F
Length: 110 amino acids
Theoretical weight: 13.37 KDa
Source organism: Bos taurus
UniProt:
  • Canonical: P00129 (Residues: 2-111; Coverage: 99%)
Gene name: UQCRB
Sequence domains: Ubiquinol-cytochrome C reductase complex 14kD subunit
Structure domains: Cytochrome Bc1 Complex; Chain F
Cytochrome b-c1 complex subunit 10 Chain: K
Molecule details ›
Chain: K
Length: 56 amino acids
Theoretical weight: 6.57 KDa
Source organism: Bos taurus
UniProt:
  • Canonical: P07552 (Residues: 1-56; Coverage: 100%)
Gene names: UQCR, UQCR11
Sequence domains: Ubiquinol-cytochrome C reductase complex, 6.4kD protein
Structure domains: Single alpha-helices involved in coiled-coils or other helix-helix interfaces
Cytochrome b-c1 complex subunit 9 Chain: J
Molecule details ›
Chain: J
Length: 62 amino acids
Theoretical weight: 7.21 KDa
Source organism: Bos taurus
UniProt:
  • Canonical: P00130 (Residues: 2-63; Coverage: 97%)
Gene name: UQCR10
Sequence domains: Ubiquinol-cytochrome C reductase, UQCRX/QCR9 like
Structure domains: Single alpha-helices involved in coiled-coils or other helix-helix interfaces
Cytochrome b-c1 complex subunit Rieske, mitochondrial Chain: E
Molecule details ›
Chain: E
Length: 196 amino acids
Theoretical weight: 21.64 KDa
Source organism: Bos taurus
UniProt:
  • Canonical: P13272 (Residues: 79-274; Coverage: 72%)
Gene name: UQCRFS1
Sequence domains:
Structure domains:
Cytochrome b-c1 complex subunit 2, mitochondrial Chain: B
Molecule details ›
Chain: B
Length: 439 amino acids
Theoretical weight: 46.58 KDa
Source organism: Bos taurus
UniProt:
  • Canonical: P23004 (Residues: 15-453; Coverage: 97%)
Gene name: UQCRC2
Sequence domains:
Structure domains: Cytochrome Bc1 Complex; Chain A, domain 1
Cytochrome b-c1 complex subunit 1, mitochondrial Chain: A
Molecule details ›
Chain: A
Length: 446 amino acids
Theoretical weight: 49.27 KDa
Source organism: Bos taurus
UniProt:
  • Canonical: P31800 (Residues: 35-480; Coverage: 93%)
Gene name: UQCRC1
Sequence domains:
Structure domains: Cytochrome Bc1 Complex; Chain A, domain 1
Cytochrome b-c1 complex subunit 8 Chain: G
Molecule details ›
Chain: G
Length: 81 amino acids
Theoretical weight: 9.61 KDa
Source organism: Bos taurus
UniProt:
  • Canonical: P13271 (Residues: 2-82; Coverage: 99%)
Gene name: UQCRQ
Sequence domains: UcrQ family
Structure domains: Single alpha-helices involved in coiled-coils or other helix-helix interfaces

Ligands and Environments

3 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 17-ID
Spacegroup: I4122
Unit cell:
a: 153.842Å b: 153.842Å c: 590.374Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.217 0.215 0.296