EDNRA: Receptor for endothelin-1. Mediates its action by association with G proteins that activate a phosphatidylinositol- calcium second messenger system. The rank order of binding affinities for ET-A is: ET1 > ET2 >> ET3. Belongs to the G-protein coupled receptor 1 family. Endothelin receptor subfamily. EDNRA sub-subfamily. 4 isoforms of the human protein are produced by alternative splicing.
Protein type: Membrane protein, multi-pass; Motility/polarity/chemotaxis; GPCR, family 1; Receptor, GPCR; Membrane protein, integral
Cellular Component: cytosol; integral to membrane; lipid raft; membrane; nuclear membrane; plasma membrane; T-tubule
Molecular Function: endothelin receptor activity; G-protein coupled receptor activity; protein binding; protein-tyrosine kinase activity; signal transducer activity
Biological Process: artery smooth muscle contraction; elevation of cytosolic calcium ion concentration; elevation of cytosolic calcium ion concentration during G-protein signaling, coupled to IP3 second messenger (phospholipase C activating); enteric nervous system development; fibroblast proliferation; G-protein coupled receptor protein signaling pathway; glomerular filtration; glucose transport; heart development; histamine secretion; in utero embryonic development; negative regulation of apoptosis; negative regulation of cAMP biosynthetic process; neural crest cell development; patterning of blood vessels; penile erection; positive regulation of calcium ion transport; positive regulation of cell proliferation; positive regulation of inflammatory response; positive regulation of odontogenesis; positive regulation of protein amino acid phosphorylation; positive regulation of release of sequestered calcium ion into cytosol; protein kinase C activation; regulation of blood pressure; regulation of epithelial cell proliferation; respiratory gaseous exchange; response to hypoxia; response to lipopolysaccharide; response to morphine; Rho protein signal transduction; sensory perception of pain; signal transduction; smooth muscle cell proliferation; vasoconstriction
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