Title : Regulation of GRP1-catalyzed ADP ribosylation factor guanine nucleotide exchange by phosphatidylinositol 3,4,5-trisphosphate.

Pub. Date : 1998 Jan 23

PMID : 9442017






1 Functional Relationships(s)
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1 Importantly, PtdIns(3,4,5)P3, but not PtdIns(4,5)P2, markedly enhances the ARF exchange activity of GRP1 in a reaction mixture containing dimyristoylphosphatidylcholine micelles, 3-[(3-cholamidopropyl)dimethylammonio]-1-propanesulfonic acid, and a low concentration of sodium cholate. Sodium Cholate Rud3p Saccharomyces cerevisiae S288C