2FLQ | pdb_00002flq

Crystal Structure of Nitric Oxide Synthase from Geobacillus Stearothermophilus (ATCC 12980) complexed with L-arginine

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2 Family	Nitric oxide (NO) synthase oxygenase domain	8064618	4002554	SCOP2 (2022-06-29)
B	SCOP2 Superfamily	Nitric oxide (NO) synthase oxygenase domain	8064619	3001407	SCOP2 (2022-06-29)
A	SCOP2B Superfamily	Nitric oxide (NO) synthase oxygenase domain	8064619	3001407	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	MATH_2	e2flqB1	A: a/b three-layered sandwiches	X: HTH	H: Nudix	T: winged helix domain	F: MATH_2	ECOD (v294.1)
A	PTS_EIIA_2	e2flqA1	A: a/b three-layered sandwiches	X: Globin-like	H: Globin-like	T: Globin-like	F: PTS_EIIA_2	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	3.90.340.10	Alpha Beta	Alpha-Beta Complex	Nitric Oxide Synthase	Chain A, domain 1	CATH (4.3.0)
B	3.90.440.10	Alpha Beta	Alpha-Beta Complex	Nitric Oxide Synthase	Heme Domain	CATH (4.3.0)
B	3.90.1230.10	Alpha Beta	Alpha-Beta Complex	Bovine Endothelial Nitric Oxide Synthase Heme Domain	Chain: A,domain 3	CATH (4.3.0)
A	3.90.340.10	Alpha Beta	Alpha-Beta Complex	Nitric Oxide Synthase	Chain A, domain 1	CATH (4.3.0)
A	3.90.440.10	Alpha Beta	Alpha-Beta Complex	Nitric Oxide Synthase	Heme Domain	CATH (4.3.0)
A	3.90.1230.10	Alpha Beta	Alpha-Beta Complex	Bovine Endothelial Nitric Oxide Synthase Heme Domain	Chain: A,domain 3	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF02898	Nitric oxide synthase, oxygenase domain (NO_synthase)	Nitric oxide synthase, oxygenase domain		Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Nitric Oxide Synthase	cation binding ion binding binding metal ion binding small molecule binding oxidoreductase activity monooxygenase activity oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen nitric-oxide synthase activity oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen, NAD(P)H as one donor, and incorporation of one atom of oxygen catalytic activity	nitric oxide metabolic process nitric oxide biosynthetic process biosynthetic process metabolic process cellular process reactive nitrogen species metabolic process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR044943	Nitric oxide synthase, domain 1 superfamily	Homologous Superfamily
A, B	IPR044940	Nitric oxide synthase, domain 2 superfamily	Homologous Superfamily
A, B	IPR050607	Nitric Oxide Synthase (NOS)	Family
A, B	IPR036119	Nitric oxide synthase, N-terminal domain superfamily	Homologous Superfamily
A, B	IPR044944	Nitric oxide synthase, domain 3 superfamily	Homologous Superfamily
A, B	IPR004030	Nitric oxide synthase, N-terminal	Domain

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.