Het-PDB Navi2 (PDB: 1K2R)

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Ligands
Code	Name	Link
ACT	Acetate ion	PoSSuM
H4B	5,6,7,8-tetrahydrobiopterin	PoSSuM
HEM	Protoporphyrin ix containing Fe	PoSSuM
NRG	N-omega-nitro-L-arginine	PoSSuM
ZN	Zinc ion	PoSSuM

Non-standard Residues
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Download interaction data: 1K2R

Code :

1K2R PDBj RCSB PDB PDBe

Header :

OXIDOREDUCTASE

Title :

Structure of rat brain nNOS heme domain complexed with NG-nitro-L-arginine

Release Data :

2003-03-04

Compound :

mol_id	molecule	chains
1	nitric-oxide synthase	A,B
	ec: 1.14.13.39 fragment: heme-containing oxygenase domain

Source :

mol_id	organism_scientific	organism_common	expression_system
1	Rattus norvegicus (taxid:10116)	Norway rat	Escherichia coli (taxid:562)
	gene: brain

Authors :

Li, H., Martasek, P., Masters, B.S.S., Poulos, T.L., Raman, C.S.

Keywords :

nitric oxide synthase, heme-thiolate protein, OXIDOREDUCTASE

Exp. method :

X-RAY DIFFRACTION ( 2.15 Å )

Citation :

Structure of rat brain nNOS heme domain

Li, H.,Martasek, P.,Masters, B.S.S. et al.
To be Published

Crystal structure of constitutive endothelial nitric oxide synthase: a paradigm for pterin function involving a novel metal center

Raman, C.S.,Li, H.,Martasek, P. et al.
(1998) Cell(Cambridge,Mass.) 95 : 939 - 950

Chain :

A, B

UniProt :

P29476 (NOS1_RAT)

Reaction:	EC:	Evidence:
Reaction:	Physiological Direction:	Evidence:
H(+) + 2 L-arginine + 3 NADPH + 4 O2 = 4 H2O + 2 L-citrulline + 3 NADP(+) + 2 nitric oxide	1.14.13.39	PubMed:15548660, PubMed:1712077
	left-to-right	PubMed:1712077

PDB ID: 1K2R