3n67

X-ray diffraction
2.09Å resolution

Structure of endothelial nitric oxide synthase N368D/V106M double mutant heme domain complexed with 6,6'-(2,2'-(5-amino-1,3-phenylene)bis(ethane-2,1-diyl))bis(4-methylpyridin-2-amine)

Released:
Model geometry
Fit model/data
Source organism: Bos taurus

Function and Biology Details

Reaction catalysed:
2 L-arginine + 3 NADPH + 4 O2 + H(+) = 2 L-citrulline + 2 nitric oxide +3 NADP(+) + 4 H2O.
Biochemical function:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
homo dimer (preferred)
PDBe Complex ID:
PDB-CPX-151520 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Nitric oxide synthase 1 Chains: A, B
Molecule details ›
Chains: A, B
Length: 444 amino acids
Theoretical weight: 49.74 KDa
Source organism: Bos taurus
Expression system: Escherichia coli
UniProt:
  • Canonical: P29476 (Residues: 280-293, 294-340, 341-711; Coverage: 30%)
Gene names: Bnos, Nos1
Sequence domains: Nitric oxide synthase, oxygenase domain
Structure domains:

Ligands and Environments


Cofactor: Ligand HEM 2 x HEM
No modified residues

Experiments and Validation Details

wwPDB Validation report is not available for this entry.
X-ray source: SSRL BEAMLINE BL7-1
Spacegroup: P212121
Unit cell:
a: 57.965Å b: 106.605Å c: 156.77Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.176 0.173 0.218
Expression system: Escherichia coli