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Official Full Name
Rho guanine nucleotide exchange factor (GEF) 7
betaPix (ARHGEF7, Beta-Pix, COOL) is a Rho guanine nucleotide exchange factor (GEF). betaPix is a p21-activated protein kinase (PAK)-interacting exchange factor (Pix, COOL, p85SPR) that has been identified as a putative guanine nucleotide exchange factor (GEF) for Rac/Cdc42. The variants of betaPix isoforms exhibit different tissue distributions. betaPix-a is expressed ubiquitously in all the tissues examined, and other isoforms are expressed mainly in the central nervous system. PAK, a Ser/Thr kinase,Is an important mediator of Rho family activity interacts with betaPix at the SH3 domain of betaPix though its proline rich region. This interaction is thought to affect the GTP hydrolysis rate of Rac and Cdc42.
ARHGEF7; Rho guanine nucleotide exchange factor (GEF) 7; rho guanine nucleotide exchange factor 7; BETA PIX; COOL1; DKFZp686C12170; DKFZp761K1021; guanine nucleotide exchange factor 7; KIAA0142; Nbla10314; P50; P50BP; P85; P85COOL1; P85SPR; PAK interacting exchange factor beta; PAK3; PIXB; rho; SH3 domain containing proline rich protein; PAK-interacting exchange factor beta; SH3 domain-containing proline-rich protein; COOL-1; BETA-PIX

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