Immunogen sequence: LLEQEKEPWM VKRELTGSLF SGQRSVHETQ ELFPKQDSYA EGVTDRTSNT KLDCSSFREN WDSDYVFGRK LAVGQETQFR QEPITHNKTL SKERERTYNK SGRWFYLDDS EEKVHNRDSI KNFQKSSVVI KQTGIYAG Highest antigen sequence identity to the following orthologs: Mouse - 40%, Rat - 4