8crs

Electron Microscopy
2.04Å resolution

CryoEM Structure of nitrogenase MoFe-protein in detergent

Released:
Source organism: Azotobacter vinelandii
Related structures: EMD-26957

Function and Biology Details

Reaction catalysed:
8 reduced ferredoxin + 8 H(+) + N(2) + 16 ATP + 16 H(2)O = 8 oxidized ferredoxin + H(2) + 2 NH(3) + 16 ADP + 16 phosphate
Biochemical function:
Biological process:

Structure analysis Details

Assembly composition:
hetero tetramer (preferred)
PDBe Complex ID:
PDB-CPX-139505 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Nitrogenase molybdenum-iron protein alpha chain Chains: A, C
Molecule details ›
Chains: A, C
Length: 480 amino acids
Theoretical weight: 54.29 KDa
Source organism: Azotobacter vinelandii
UniProt:
  • Canonical: P07328 (Residues: 1-480; Coverage: 98%)
Gene name: nifD
Sequence domains: Nitrogenase component 1 type Oxidoreductase
Nitrogenase molybdenum-iron protein beta chain Chains: B, D
Molecule details ›
Chains: B, D
Length: 522 amino acids
Theoretical weight: 59.4 KDa
Source organism: Azotobacter vinelandii
UniProt:
  • Canonical: P07329 (Residues: 2-523; Coverage: 100%)
Gene name: nifK
Sequence domains:

Ligands and Environments

No modified residues

Experiments and Validation Details

Entry percentile scores
Resolution: 2.04Å
Relevant EMDB volumes: EMD-26957