Immunogen sequence: ELKAKYYVQLE QLKKTVDDLQ AKLTLAKGEY KMALKNLEMI SDEIHERRRS SAMGPRGCGV GAEGSSTSVE DLPGSKPEPD AISVASEAFE DDSCSNFVSE Highest antigen sequence identity to the following orthologs - mouse 89%, rat 89%. Inhibits the auto- and transphosphorylat