See Also: G-protein coupled receptor(medicine)
receptor protein(medicine)
cyclic AMP receptor protein(medicine)
cAMP receptor protein(medicine)
insulin receptor substrate-1 protein(medicine)
TGF-beta receptor protein kinase(medicine)
receptor protein-tyrosine kinase(medicine)
light-repressible receptor protein kinase(medicine)
insulin receptor protein-tyrosine kinase(medicine)
Cek4 receptor protein-tyrosine kinase(medicine)

G-protein coupled receptor (medicine)


G-protein coupled receptor
<cell biology> Cell surface receptors that are coupled to G-proteins (GTP-binding protein).

G-protein coupled receptors are thought to have seven membrane spanning domains and have been divided into 2 subclasses: those in which the binding site is in the extracellular domain for example receptors for glycoprotein hormones, such as thyroid stimulating hormone (TSH) and follicle-stimulating hormone (FSH) and those in which the ligand binding site is likely to be in the plane of the 7 transmembrane domains for example rhodopsin and receptors for small neurotransmitters and hormones for example muscarinic acetylcholine receptor.