stimulatory G protein

stimulatory G protein

[¦stim·yə·lə‚tȯr·ē ′jē ‚prō‚tēn]
(cell and molecular biology)
A G protein (heterotrimetric GTP-binding protein) that activates adenylyl cyclase to produce cAMP in intracellular signaling pathways. Symbolized Gs.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.