Peptide sequence: FVIKGKVLYT YMASEDKVAL ESMPLLGFTI APEKEEGSSE VGPIFHLYHK Sequence homology: Dog: 100%; Horse: 100%; Human: 100%; Mouse: 100%; Rat: 100%. FGD5 activates CDC42, a member of the Ras-like family of Rho- and Rac proteins, by exchanging bound G