a rho GTPase-activating signaling protein essential for PYK2 regulation of cytoskeletal organization via Rho family GTPases; full length of Graf2 contains a putative PH domain, a RhoGAP domain, and an SH3 domain as well as Graf; PKNbeta interacts with the SH3 domains of Graf & Graf2; RefSeq NM_024605
Date introduced: August 6, 2004