Immunogen sequence: GGATCQIQGVQ TNDDLNNDSD DSSDNCVIVG FVKPLAERTP ELVELSSDSE DLGSYEKMET VKTQEQEQSY SSGDSDVSRC SSPHSVLGKD EQINKGHCDS STRIKSKKEE KRSTSLSSPR NL Highest antigen sequence identity to the following orthologs - mouse 85%, rat 86%. Functions as an