4k5f

X-ray diffraction
2.2Å resolution

Structure of neuronal nitric oxide synthase heme domain in complex with (S)-1,3-bis((2-amino-4-methylpyridin-6-yl)-methoxy)-butan-4-amine

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:
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Nitric oxide synthase, brain Chains: A, B
Molecule details ›
Chains: A, B
Length: 422 amino acids
Theoretical weight: 48.81 KDa
Source organism: Rattus norvegicus
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P29476 (Residues: 297-718; 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

Entry percentile scores
X-ray source: SSRL BEAMLINE BL7-1
Spacegroup: P212121
Unit cell:
a: 51.588Å b: 110.742Å c: 164.353Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.194 0.192 0.248
Expression system: Escherichia coli BL21(DE3)