transcription, транскрипция: [ noun ]
Etymology: g uanosine triphosphate-binding protein
Date: 1967
: any of a class of cell membrane proteins that are coupled to cell surface receptors and upon stimulation of the receptor by an extracellular signaling molecule (as a hormone or neurotransmitter) bind to GTP to form an active complex which mediates an intracellular event (as activation of adenylate cyclase)