1SRB | pdb_00001srb

CONFORMATIONAL STUDIES ON SRTB, A NON-SELECTIVE ENDOTHELIN RECEPTOR AGONIST, AND ON IRL 1620, AN ETB RECEPTOR SPECIFIC AGONIST

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Membrane Protein Annotation: OPM

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1srba_	Peptides	Endothelin-like	Endothelin-like	Endothelin-like	Sarafotoxin S6B	(Atractaspis andersonii ) [TaxId: 8600 ],	SCOPe (2.08)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00322	Endothelin family (Endothelin)	Endothelin family	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Sarafotoxins precursor	bombesin receptor binding protein binding binding signaling receptor binding endothelin B receptor binding G protein-coupled receptor binding neuropeptide receptor binding molecular transducer activity molecular function activator activity signaling receptor activity signaling receptor activator activity hormone activity molecular function regulator activity signaling receptor regulator activity bombesin receptor binding protein binding binding signaling receptor binding endothelin B receptor binding G protein-coupled receptor binding neuropeptide receptor binding molecular transducer activity molecular function activator activity signaling receptor activity signaling receptor activator activity hormone activity molecular function regulator activity signaling receptor regulator activity receptor ligand activity toxin activity	regulation of tube diameter multicellular organismal process system process regulation of biological process regulation of tube size regulation of system process biological regulation circulatory system process regulation of blood circulation regulation of vasoconstriction vascular process in circulatory system regulation of multicellular organismal process blood vessel diameter maintenance regulation of biological quality regulation of tube diameter multicellular organismal process system process regulation of biological process regulation of tube size regulation of system process biological regulation circulatory system process regulation of blood circulation regulation of vasoconstriction vascular process in circulatory system regulation of multicellular organismal process blood vessel diameter maintenance regulation of biological quality blood circulation vasoconstriction regulation of anatomical structure size inorganic ion homeostasis intracellular calcium ion homeostasis homeostatic process calcium ion homeostasis cellular homeostasis chemical homeostasis intracellular monoatomic cation homeostasis monoatomic ion homeostasis intracellular chemical homeostasis monoatomic cation homeostasis intracellular monoatomic ion homeostasis 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 blood pressure regulation of systemic arterial blood pressure endocrine process vascular associated smooth muscle contraction phasic smooth muscle contraction muscle contraction muscle system process smooth muscle contraction vein smooth muscle contraction	cellular anatomical structure extracellular region extracellular space

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR019764	Endothelin-like toxin, conserved site	Conserved Site
A	IPR001928	Endothelin-like toxin	Domain
A	IPR020475	Endothelin	Family

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A	OPM	Peptides	Alpha-helical peptides	Endothelin-like peptides	Endothelin

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.