3dqs

X-ray diffraction
2.03Å resolution

Structure of endothelial NOS heme domain in complex with a inhibitor (+-)-N1-{cis-4'-[(6"-amino-4"-methylpyridin-2"-yl)methyl]pyrrolidin-3'-yl}-N2-(4'-chlorobenzyl)ethane-1,2-diamine

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)
PDBe Complex ID:
PDB-CPX-151510 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Nitric oxide synthase 3 Chains: A, B
Molecule details ›
Chains: A, B
Length: 416 amino acids
Theoretical weight: 46.85 KDa
Source organism: Bos taurus
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P29473 (Residues: 67-482; Coverage: 35%)
Gene name: NOS3
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

Entry percentile scores
X-ray source: SSRL BEAMLINE BL9-1
Spacegroup: P212121
Unit cell:
a: 57.96Å b: 106.84Å c: 156.77Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.197 0.197 0.227
Expression system: Escherichia coli BL21(DE3)