Font Size
A
A
A

Definition of G protein

G protein: A guanine nucleotide binding protein in cells that interacts with cell surface receptors and affects biochemical actions within cells.

Source: MedTerms™ Medical Dictionary
http://www.medterms.com/script/main/art.asp?articlekey=6517
Last Editorial Review: 3/19/2012

Medical Dictionary Definitions A - Z

Search Medical Dictionary





Medical Dictionary