1rw4

X-ray diffraction
2.5Å resolution

Nitrogenase Fe protein l127 deletion variant

Released:

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:
Cellular component:
  • not assigned

Structure analysis Details

Assemblies composition:
homo dimer
monomeric (preferred)
PDBe Complex ID:
PDB-CPX-132538 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Nitrogenase iron protein 1 Chain: A
Molecule details ›
Chain: A
Length: 272 amino acids
Theoretical weight: 29.57 KDa
Source organism: Azotobacter vinelandii
Expression system: Azotobacter vinelandii
UniProt:
  • Canonical: P00459 (Residues: 2-273; Coverage: 93%)
Gene name: nifH1
Sequence domains: 4Fe-4S iron sulfur cluster binding proteins, NifH/frxC family
Structure domains: P-loop containing nucleotide triphosphate hydrolases

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRL BEAMLINE BL9-2
Spacegroup: C2221
Unit cell:
a: 70.78Å b: 133.09Å c: 61.08Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.222 0.22 0.272
Expression system: Azotobacter vinelandii