. "Authored: Garapati, P V, 2009-02-24 10:31:15"^^ . "Edited: Garapati, P V, 2009-02-24 10:58:20"^^ . "Reviewed: Maness, PF, Walmod, PS, 2009--0-5-"^^ . "Guanine nucleotide releasing factor Sos associates with FAK bound Grb2 to activate Ras and initiate Ras-MAPK signaling. This interaction occurs between the carboxy terminal domain of SOS and the Src homology 3 (SH3) domains of GRB2."^^ . . . . . . . "SOS binds Grb2 bound to pFAK:NCAM1"^^ . . . .