Immunogen sequence: DTLESSLEDP LRSFVRVLEK RDGTVLRLQQ YSSGGVGCVV WDAAIVLSKY LETPEFSGDG AHALSRRSVL ELGSGTGAVG LMAATLGADV VVTDLEELQD LLKMNINMNK HLVTGSVQAK GGRNRRLSFS TRLHTDGRLH I Highest antigen sequence identity to the following orthologs: Mouse - 77%, Rat