G protein

noun
\ˈjē- \

Medical Definition of G protein 

: any of a class of cell membrane proteins that are coupled to cell surface receptors and upon stimulation of the receptor by an extracellular molecule (as a hormone or neurotransmitter) bind to GTP to form an active complex which mediates an intracellular event (as activation of adenylate cyclase)

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Dictionary Entries near G protein

gp

GP

gp120

G protein

gr

graafian follicle

gracile

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