Immunogen sequence: HLEDSSACSSE PTQTLASRPR KHPQKKMIKK TQSFEIPQPD SGPRDSCQPD HTSVFSKGLE VTSTVATEKK LPLWQHARSP Highest antigen sequence identity to the following orthologs - mouse 29%, rat 29%. PLEKHG4B (Pleckstrin Homology And RhoGEF Domain Containing G4B