Annotations: 6AV7

Structure of human endothelial nitric oxide synthase heme domain in complex with HW69

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
D	d6av7d_	Alpha and beta proteins (a+b)	Nitric oxide (NO) synthase oxygenase domain	Nitric oxide (NO) synthase oxygenase domain	Nitric oxide (NO) synthase oxygenase domain	Nitric oxide (NO) synthase oxygenase domain	Human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
C	d6av7c_	Alpha and beta proteins (a+b)	Nitric oxide (NO) synthase oxygenase domain	Nitric oxide (NO) synthase oxygenase domain	Nitric oxide (NO) synthase oxygenase domain	Nitric oxide (NO) synthase oxygenase domain	Human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
B	d6av7b_	Alpha and beta proteins (a+b)	Nitric oxide (NO) synthase oxygenase domain	Nitric oxide (NO) synthase oxygenase domain	Nitric oxide (NO) synthase oxygenase domain	Nitric oxide (NO) synthase oxygenase domain	Human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
A	d6av7a_	Alpha and beta proteins (a+b)	Nitric oxide (NO) synthase oxygenase domain	Nitric oxide (NO) synthase oxygenase domain	Nitric oxide (NO) synthase oxygenase domain	Nitric oxide (NO) synthase oxygenase domain	Human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
D	SCOP2B Superfamily	Nitric oxide (NO) synthase oxygenase domain	8079785	3001407	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Nitric oxide (NO) synthase oxygenase domain	8079785	3001407	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Nitric oxide (NO) synthase oxygenase domain	8079785	3001407	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Nitric oxide (NO) synthase oxygenase domain	8079785	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)
D	Cadherin	e6av7D1	A: alpha arrays	X: fingers domain in bacteriophage RB69-like DNA polymerase I	H: fingers domain in bacteriophage RB69-like DNA polymerase I	T: fingers domain in bacteriophage RB69-like DNA polymerase I	F: Cadherin	ECOD (v295.2)
C	Cadherin	e6av7C1	A: alpha arrays	X: fingers domain in bacteriophage RB69-like DNA polymerase I	H: fingers domain in bacteriophage RB69-like DNA polymerase I	T: fingers domain in bacteriophage RB69-like DNA polymerase I	F: Cadherin	ECOD (v295.2)
B	Cadherin	e6av7B1	A: alpha arrays	X: fingers domain in bacteriophage RB69-like DNA polymerase I	H: fingers domain in bacteriophage RB69-like DNA polymerase I	T: fingers domain in bacteriophage RB69-like DNA polymerase I	F: Cadherin	ECOD (v295.2)
A	Cadherin	e6av7A1	A: alpha arrays	X: fingers domain in bacteriophage RB69-like DNA polymerase I	H: fingers domain in bacteriophage RB69-like DNA polymerase I	T: fingers domain in bacteriophage RB69-like DNA polymerase I	F: Cadherin	ECOD (v295.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
D	3.90.340.10	Alpha Beta	Alpha-Beta Complex	Nitric Oxide Synthase	Chain A, domain 1	CATH (4.3.0)
D	3.90.440.10	Alpha Beta	Alpha-Beta Complex	Nitric Oxide Synthase	Heme Domain	CATH (4.3.0)
D	3.90.1230.10	Alpha Beta	Alpha-Beta Complex	Bovine Endothelial Nitric Oxide Synthase Heme Domain	Chain: A,domain 3	CATH (4.3.0)
C	3.90.340.10	Alpha Beta	Alpha-Beta Complex	Nitric Oxide Synthase	Chain A, domain 1	CATH (4.3.0)
C	3.90.440.10	Alpha Beta	Alpha-Beta Complex	Nitric Oxide Synthase	Heme Domain	CATH (4.3.0)
C	3.90.1230.10	Alpha Beta	Alpha-Beta Complex	Bovine Endothelial Nitric Oxide Synthase Heme Domain	Chain: A,domain 3	CATH (4.3.0)
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, C, D	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, C, D	Nitric oxide synthase, endothelial	FMN binding binding nucleoside phosphate binding ion binding anion binding nucleotide binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding flavin adenine dinucleotide binding cation binding organic acid binding amino acid binding FMN binding binding nucleoside phosphate binding ion binding anion binding nucleotide binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding flavin adenine dinucleotide binding cation binding organic acid binding amino acid binding carboxylic acid binding arginine binding transition metal ion binding cadmium ion binding metal ion 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 protein binding calmodulin binding cytoskeletal protein binding actin monomer binding actin binding tetrahydrobiopterin binding scaffold protein binding purine nucleotide binding adenyl nucleotide binding NADP binding tetrapyrrole binding heme binding superoxide-generating NAD(P)H oxidase activity oxidoreductase activity, acting on NAD(P)H oxidoreductase activity, acting on NAD(P)H, oxygen as acceptor	multicellular organismal process system process circulatory system process regulation of blood pressure biological regulation regulation of biological quality blood circulation developmental process heart development cardiac chamber morphogenesis animal organ development heart morphogenesis ventricular septum development circulatory system development multicellular organismal process system process circulatory system process regulation of blood pressure biological regulation regulation of biological quality blood circulation developmental process heart development cardiac chamber morphogenesis animal organ development heart morphogenesis ventricular septum development circulatory system development multicellular organism development anatomical structure morphogenesis cardiac septum development cardiac septum morphogenesis ventricular septum morphogenesis cardiac chamber development anatomical structure development animal organ morphogenesis cardiac ventricle development animal gross anatomical part developmental process system development multicellular organismal-level homeostasis homeostatic process homeostasis of number of cells within a tissue anatomical structure homeostasis tissue homeostasis homeostasis of number of cells catabolic process oxoacid metabolic process carboxylic acid metabolic process amino acid metabolic process primary metabolic process arginine metabolic process proteinogenic amino acid metabolic process L-arginine catabolic process proteinogenic amino acid catabolic process carboxylic acid catabolic process metabolic process cellular process small molecule metabolic process small molecule catabolic process amino acid catabolic process regulation of biosynthetic process regulation of biological process regulation of cellular process positive regulation of biological process regulation of macromolecule metabolic process gene expression macromolecule biosynthetic process positive regulation of macromolecule biosynthetic process regulation of gene expression positive regulation of metabolic process biosynthetic process positive regulation of gene expression positive regulation of biosynthetic process regulation of macromolecule biosynthetic process positive regulation of macromolecule metabolic process macromolecule metabolic process regulation of metabolic process positive regulation of cellular process cellular response to stimulus extrinsic apoptotic signaling pathway via death domain receptors response to stimulus signaling negative regulation of signaling negative regulation of biological process regulation of signal transduction regulation of programmed cell death extrinsic apoptotic signaling pathway negative regulation of cell communication cell communication negative regulation of extrinsic apoptotic signaling pathway negative regulation of apoptotic signaling pathway negative regulation of cellular process signal transduction regulation of signaling cell surface receptor signaling pathway negative regulation of response to stimulus negative regulation of programmed cell death regulation of apoptotic process negative regulation of extrinsic apoptotic signaling pathway via death domain receptors cell death negative regulation of signal transduction regulation of extrinsic apoptotic signaling pathway apoptotic signaling pathway negative regulation of apoptotic process regulation of response to stimulus regulation of extrinsic apoptotic signaling pathway via death domain receptors regulation of cell communication apoptotic process programmed cell death regulation of apoptotic signaling pathway endothelial cell migration cell migration cell motility cell redox homeostasis cellular homeostasis response to stress response to heat response to abiotic stimulus response to temperature stimulus response to hormone response to endogenous stimulus response to chemical response to fluid shear stress regulation of muscle adaptation negative regulation of muscle adaptation regulation of system process muscle hyperplasia muscle system process regulation of muscle system process muscle adaptation regulation of muscle hyperplasia regulation of multicellular organismal process negative regulation of muscle hyperplasia negative regulation of multicellular organismal process regulation of body fluid levels regulation of response to external stimulus regulation of cell activation negative regulation of platelet activation regulation of response to wounding regulation of coagulation regulation of response to stress coagulation response to wounding regulation of hemostasis wound healing negative regulation of wound healing regulation of blood coagulation negative regulation of blood coagulation hemostasis cell activation response to external stimulus negative regulation of response to wounding blood coagulation negative regulation of cell activation negative regulation of hemostasis regulation of platelet activation negative regulation of coagulation negative regulation of response to external stimulus regulation of wound healing platelet activation nervous system process regulation of nervous system process nitric oxide metabolic process reactive nitrogen species metabolic process cellular response to oxidative stress detoxification reactive oxygen species metabolic process cellular response to chemical stress response to superoxide cellular oxidant detoxification cellular response to oxygen radical cellular response to reactive oxygen species cellular response to stress cellular detoxification response to oxygen-containing compound cellular response to oxygen-containing compound response to reactive oxygen species response to toxic substance removal of superoxide radicals superoxide metabolic process response to oxidative stress cellular response to chemical stimulus cellular response to superoxide cellular response to toxic substance response to oxygen radical regulation of systemic arterial blood pressure by endothelin regulation of systemic arterial blood pressure by hormone regulation of systemic arterial blood pressure mediated by a chemical signal regulation of systemic arterial blood pressure endocrine process regulation of tube diameter regulation of tube size vascular process in circulatory system blood vessel diameter maintenance vasodilation regulation of anatomical structure size heart valve development aortic valve development heart valve morphogenesis semi-lunar valve development aortic valve morphogenesis positive regulation of locomotion regulation of cell motility regulation of blood vessel endothelial cell migration positive regulation of cell migration positive regulation of blood vessel endothelial cell migration regulation of locomotion positive regulation of endothelial cell migration positive regulation of cell motility regulation of cell migration blood vessel endothelial cell migration regulation of endothelial cell migration locomotion mesenchyme morphogenesis endocardial cushion morphogenesis mesenchyme development tissue development tissue morphogenesis endocardial cushion development blood vessel remodeling tissue remodeling pulmonary valve morphogenesis pulmonary valve development negative regulation of cell population proliferation cell population proliferation regulation of cell population proliferation regulation of developmental process angiogenesis regulation of vasculature development positive regulation of developmental process tube morphogenesis regulation of anatomical structure morphogenesis blood vessel development regulation of multicellular organismal development blood vessel morphogenesis tube development positive regulation of angiogenesis vasculature development positive regulation of vasculature development regulation of angiogenesis anatomical structure formation involved in morphogenesis positive regulation of multicellular organismal process negative regulation of developmental process negative regulation of biomineral tissue development regulation of biomineral tissue development biomineral tissue development positive regulation of cell communication positive regulation of signal transduction positive regulation of response to stimulus Notch signaling pathway regulation of Notch signaling pathway positive regulation of Notch signaling pathway positive regulation of signaling cellular component organization organelle organization cellular component organization or biogenesis mitochondrion organization biological process involved in interspecies interaction between organisms response to lipid response to other organism response to lipopolysaccharide response to biotic stimulus response to bacterium response to external biotic stimulus response to molecule of bacterial origin smooth muscle hyperplasia smooth muscle adaptation polyol metabolic process diol metabolic process tetrahydrobiopterin metabolic process alcohol metabolic process pteridine-containing compound metabolic process negative regulation of blood pressure nitric oxide biosynthetic process	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol membrane-bounded organelle membrane intracellular vesicle intracellular membrane-bounded organelle intracellular organelle cytoplasmic vesicle membrane bounding membrane of organelle cytoplasmic vesicle vesicle membrane organelle cellular anatomical structure intracellular anatomical structure cytoplasm cytosol membrane-bounded organelle membrane intracellular vesicle intracellular membrane-bounded organelle intracellular organelle cytoplasmic vesicle membrane bounding membrane of organelle cytoplasmic vesicle vesicle membrane organelle endocytic vesicle membrane vesicle organelle membrane endocytic vesicle Golgi apparatus endomembrane system cytoskeleton membraneless organelle intracellular membraneless organelle Golgi membrane membrane microdomain cell periphery membrane raft plasma membrane raft plasma membrane plasma membrane region caveola nucleus

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR001709	Flavoprotein pyridine nucleotide cytochrome reductase	Domain
A, B, C, D	IPR001433	Oxidoreductase FAD/NAD(P)-binding	Domain
A, B, C, D	IPR001094	Flavodoxin-like	Domain
A, B, C, D	IPR004030	Nitric oxide synthase, N-terminal	Domain
A, B, C, D	IPR023173	NADPH-cytochrome p450 reductase, FAD-binding, alpha-helical domain superfamily	Homologous Superfamily
A, B, C, D	IPR008254	Flavodoxin/nitric oxide synthase	Domain
A, B, C, D	IPR039261	Ferredoxin-NADP reductase (FNR), nucleotide-binding domain	Homologous Superfamily
A, B, C, D	IPR017927	FAD-binding domain, ferredoxin reductase-type	Domain
A, B, C, D	IPR036119	Nitric oxide synthase, N-terminal domain superfamily	Homologous Superfamily
A, B, C, D	IPR044944	Nitric oxide synthase, domain 3 superfamily	Homologous Superfamily
A, B, C, D	IPR044943	Nitric oxide synthase, domain 1 superfamily	Homologous Superfamily
A, B, C, D	IPR003097	Sulfite reductase [NADPH] flavoprotein alpha-component-like, FAD-binding	Domain
A, B, C, D	IPR017938	Riboflavin synthase-like beta-barrel	Homologous Superfamily
A, B, C, D	IPR044940	Nitric oxide synthase, domain 2 superfamily	Homologous Superfamily
A, B, C, D	IPR029039	Flavoprotein-like superfamily	Homologous Superfamily
A, B, C, D	IPR050607	Nitric Oxide Synthase (NOS)	Family
A, B, C, D	IPR012144	Nitric-oxide synthase, eukaryote	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B, C, D	: P29474	hypertensive disorder atrial fibrillation metabolic syndrome X cleft palate atherosclerosis erectile dysfunction coronary artery disease hyperglycemia myocardial infarction type 2 diabetes mellitus portal hypertension Alzheimer disease Sepsis cancer diabetic peripheral angiopathy hypertensive disorder atrial fibrillation metabolic syndrome X cleft palate atherosclerosis erectile dysfunction coronary artery disease hyperglycemia myocardial infarction type 2 diabetes mellitus portal hypertension Alzheimer disease Sepsis cancer diabetic peripheral angiopathy tubular adenocarcinoma cardiovascular disease uremia essential hypertension ventricular tachycardia intestinal perforation gastric ulcer male infertility pulmonary edema renovascular hypertension hyperinsulinism breast carcinoma hypertension, pregnancy-induced cerebral infarction ureteral obstruction cerebrovascular disorder vestibular disease placental abruption granular cell carcinoma prostate cancer arteriosclerosis disorder pulmonary hypertension esophageal cancer adenocarcinoma perinatal necrotizing enterocolitis preeclampsia congestive heart failure coronary vasospasm atypical teratoid rhabdoid tumor medulloblastoma breast cancer myocardial ischemia neoplasm of esophagus obesity disorder extrahepatic cholestasis ischemic disease familial hyperlipidemia Alzheimer disease type 1 primary biliary cholangitis heart disease cribriform carcinoma HELLP syndrome depressive disorder hereditary diffuse gastric adenocarcinoma benign neoplasm diabetic kidney disease thrombotic disease type 1 diabetes mellitus essential hypertension, genetic chronic obstructive pulmonary disease alopecia areata kidney disease gastric cancer congenital diaphragmatic hernia heart failure cribriform carcinoma of breast maturity-onset diabetes of the young bipolar disorder hyperlipidemia necrotizing enterocolitis acute kidney failure inborn carbohydrate metabolic disorder interstitial cystitis allergic rhinitis ischemia reperfusion injury cleft lip familial atrial fibrillation fetal growth restriction gastric neoplasm malignant glioma

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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.