function:Inhibits signal transduction by increasing the GTPase activity of G protein alpha subunits thereby driving them into their inactive GDP-bound form. Associates specifically with the activated forms of the G protein subunits G(i)-alpha and G(z)-alpha but fails to interact with the structurally and functionally distinct G(s)-alpha subunit. Activity on G(z)-alpha is inhibited by palmitoylation of the G-protein.,PTM:Isoform 3 is phosphorylated on Ser-16.,similarity:Contains 1 RGS domain.,
[Isoform 1]: Cytoplasm, cytosol . Nucleus . Forskolin treatment promotes phosphorylation and translocation to the nucleus. .; Nucleus .
Uterus,
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