Guanine nucleotide-binding proteins (G proteins) are involved as modulators or transducers in various transmembrane signaling systems . Acts as an activator of phospholipase C . Transduces FFAR4 signaling in response to long-chain fatty acids (LCFAs) . Together with GNAQ, required for heart development (By similarity).
Subcellular locations: Cell membrane, Cytoplasm
In testicular cells, expressed exclusively in the cytoplasm.
Expressed in testis.