G protein

synonym: guanine binding protein
https://doi.org/10.1351/goldbook.12662
Member of a family of membrane-associated proteins which on activation by cellular receptors lead to signal transduction.
Source:
PAC, 2013, 85, 1725. (Glossary of terms used in medicinal chemistry. Part II (IUPAC Recommendations 2013)) on page 1736 [Terms] [Paper]