Mutation

Truncating PREX2 mutations activate its GEF activity and alter gene expression regulation in NRAS-mutant melanoma
PREX2 (phosphatidylinositol-3,4,5-triphosphate-dependent Rac-exchange factor 2) is a PTEN (phosphatase and tensin homolog deleted on …
Yonathan Lissanu Deribe, Yanxia Shi, Kunal Rai, Luigi Nezi, Samir B. Amin, Chia-Chin Wu, Kadir C. Akdemir, Mozhdeh Mahdavi, Qian Peng, Qing Edward Chang, Kirsti Hornigold, Stefan T. Arold, Heidi C. E. Welch, Levi A. Garraway, Lynda Chin
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Ca2+-dependent monomer and dimer formation switches CAPRI Protein between Ras GTPase-activating protein (GAP) and RapGAP activities
CAPRI is a member of the GAP1 family of GTPase-activating proteins (GAPs) for small G proteins. It is known to function as an amplitude …
Yanfeng Dai, Simon A. Walker, Edwin De Vet, Simon Cook, Heidi C. E. Welch, Peter J. Lockyer
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Regulation of P-Rex1 by phosphatidylinositol (3,4,5)-trisphosphate and Gbetagamma subunits
P-Rex1 is a guanine-nucleotide exchange factor (GEF) for the small GTPase Rac. We have investigated here the mechanisms of stimulation …
Kirsti Hill, Sonja Krugmann, Simon R. Andrews, W. John Coadwell, Peter Finan, Heidi C. E. Welch, Phillip T. Hawkins, Len R. Stephens
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