PDBe 4uch

X-ray diffraction
2.2Å resolution

Structure of human nNOS R354A G357D mutant heme domain in complex with 3-(((2-((2-(1H-IMIDAZOL-1-YL)PYRIMIDIN-4-YL)ETHYL)AMINO)METHYL) BENZONITRILE

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:
  • not assigned
Biological process:
  • not assigned
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: 48.84 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P29475 (Residues: 302-723; Coverage: 29%)
Gene name: NOS1
Sequence domains: Nitric oxide synthase, oxygenase domain
Structure domains:

Ligands and Environments


Cofactor: Ligand HEM 2 x HEM
3 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ALS BEAMLINE 8.2.1
Spacegroup: P212121
Unit cell:
a: 52Å b: 122.38Å c: 164.44Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.197 0.194 0.251
Expression system: Escherichia coli BL21(DE3)