PDBe 1foi

X-ray diffraction
1.93Å resolution

BOVINE ENDOTHELIAL NITRIC OXIDE SYNTHASE HEME DOMAIN COMPLEXED WITH 1400W(H4B-FREE)

Released:

Function and Biology Details

Reaction catalysed:
(1a) 2 L-arginine + 2 NADPH + 2 O(2) = 2 N(omega)-hydroxy-L-arginine + 2 NADP(+) + 2 H(2)O
Biochemical function:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Nitric oxide synthase, endothelial Chains: A, B
Molecule details ›
Chains: A, B
Length: 444 amino acids
Theoretical weight: 49.71 KDa
Source organism: Bos taurus
Expression system: Escherichia coli
UniProt:
  • Canonical: P29473 (Residues: 39-482; Coverage: 37%)
Gene name: NOS3
Structure domains:

Ligands and Environments


Cofactor: Ligand HEM 2 x HEM

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRL BEAMLINE BL7-1
Spacegroup: P212121
Unit cell:
a: 58.191Å b: 106.645Å c: 156.3Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.222 0.222 0.251
Expression system: Escherichia coli