Adrenergic receptors (ARs) are members of the 7-transmembrane domain G-protein-coupled receptor superfamily that bind the endogenous catecholamines epinephrine and norepinephrine. Pharmacological, structural, and molecular cloning data indicate significant heterogeneity within this receptor family. Nine receptor subtypes have been identified thus far including three alpha-1 AR subtypes (1A/D, 1B, and 1C), three alpha-2 ARs (2A, 2B, and 2C), and three beta AR subtypes (1, 2, and 3). ARs participate in either the onset or maintenance of several disease states including hypertension, cardiac dysfunction (congestive heart failure, ischemia, arrhythmias), diabetes, glaucoma, depression, and impotence.
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Protein Aliases: adrenergic, beta-2-, receptor, surface; adrenoceptor beta 2 surface; adrenoceptor beta 2, surface; AR beta2; beta 2-AR; Beta-2 adrenergic receptor; Beta-2 adrenoceptor; Beta-2 adrenoreceptor; beta2-Adrenoreceptor; catecholamine receptor; HGNC:286
Gene Aliases: Adrb-2; ADRB2; ADRB2R; ADRBR; B2AR; Badm; BAR; BETA2AR; Gpcr7
Molecular Function: G-protein coupled receptor