8ca4

Electron Microscopy
3.25Å resolution

Cryo-EM structure NDUFS4 knockout complex I from Mus musculus heart (Class 2 N-domain).

Released:

Function and Biology Details

Reaction catalysed:
NADH + ubiquinone + 5 H(+)(Side 1) = NAD(+) + ubiquinol + 4 H(+)(Side 2)

Structure analysis Details

Assembly composition:
hetero pentamer (preferred)
PDBe Complex ID:
PDB-CPX-237642 (preferred)
Entry contents:
5 distinct polypeptide molecules
Macromolecules (5 distinct):
NADH dehydrogenase [ubiquinone] flavoprotein 2, mitochondrial Chain: E
Molecule details ›
Chain: E
Length: 248 amino acids
Theoretical weight: 27.32 KDa
Source organism: Mus musculus
UniProt:
  • Canonical: Q9D6J6 (Residues: 1-248; Coverage: 100%)
Gene name: Ndufv2
Sequence domains: Thioredoxin-like [2Fe-2S] ferredoxin
NADH dehydrogenase [ubiquinone] flavoprotein 1, mitochondrial Chain: F
Molecule details ›
Chain: F
Length: 464 amino acids
Theoretical weight: 50.9 KDa
Source organism: Mus musculus
UniProt:
  • Canonical: Q91YT0 (Residues: 1-464; Coverage: 100%)
Gene name: Ndufv1
Sequence domains:
NADH-ubiquinone oxidoreductase 75 kDa subunit, mitochondrial Chain: G
NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 2 Chain: S
Molecule details ›
Chain: S
Length: 99 amino acids
Theoretical weight: 10.93 KDa
Source organism: Mus musculus
UniProt:
  • Canonical: Q9CQ75 (Residues: 1-99; Coverage: 100%)
Gene name: Ndufa2
Sequence domains: Mitochondrial ribosomal protein L51 / S25 / CI-B8 domain
NADH dehydrogenase [ubiquinone] flavoprotein 3, mitochondrial Chain: s
Molecule details ›
Chain: s
Length: 104 amino acids
Theoretical weight: 11.83 KDa
Source organism: Mus musculus
UniProt:
  • Canonical: Q8BK30 (Residues: 1-104; Coverage: 100%)
Gene name: Ndufv3
Sequence domains: NADH dehydrogenase [ubiquinone] flavoprotein 3, mitochondrial

Ligands and Environments

3 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
Resolution: 3.25Å
Relevant EMDB volumes: EMD-16517