8e9g

Electron Microscopy
2.6Å resolution

Mycobacterial respiratory complex I with both quinone positions modelled

Released:
Primary publication:
Structure of mycobacterial respiratory complex I.
OpenAccess logo Proc Natl Acad Sci U S A 120 e2214949120 (2023)
PMID: 36952383
Related structures: EMD-27963

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero pentadecamer (preferred)
PDBe Complex ID:
PDB-CPX-106325 (preferred)
Entry contents:
15 distinct polypeptide molecules
Macromolecules (15 distinct):
Response regulatory domain-containing protein Chain: O
Molecule details ›
Chain: O
Length: 132 amino acids
Theoretical weight: 14.12 KDa
Source organism: Mycolicibacterium smegmatis MC2 155
UniProt:
  • Canonical: A0QU37 (Residues: 1-132; Coverage: 100%)
Gene name: MSMEG_2064
NADH-quinone oxidoreductase subunit B Chain: B
Molecule details ›
Chain: B
Length: 184 amino acids
Theoretical weight: 20.12 KDa
Source organism: Mycolicibacterium smegmatis MC2 155
UniProt:
  • Canonical: A0QU35 (Residues: 1-184; Coverage: 100%)
Gene names: MSMEG_2062, MSMEI_2017, nuoB
Sequence domains: NADH ubiquinone oxidoreductase, 20 Kd subunit
NADH-quinone oxidoreductase subunit A Chain: A
NADH-quinone oxidoreductase subunit C Chain: C
NADH-quinone oxidoreductase subunit D Chain: D
NADH-quinone oxidoreductase chain e Chain: E
NADH-quinone oxidoreductase Chain: G
NADH-quinone oxidoreductase subunit F Chain: F
NADH-quinone oxidoreductase subunit I Chain: I
NADH-quinone oxidoreductase subunit H Chain: H
NADH-quinone oxidoreductase subunit J Chain: J
NADH-quinone oxidoreductase subunit K Chain: K
NADH-quinone oxidoreductase, L subunit Chain: L
NADH-quinone oxidoreductase subunit N Chain: N
NADH:quinone oxidoreductase/Mrp antiporter transmembrane domain-containing protein Chain: M

Ligands and Environments

No modified residues

Experiments and Validation Details

Entry percentile scores
Resolution: 2.6Å
Relevant EMDB volumes: EMD-27963