Immunogen sequence: GSRKLTAAAP GAVPHTSTET QASRCKKGFS QDKQCFLLSG NAQETRKVKE SMETHFGSHG RRAILYRPPF YSKTELQLHQ HILTQHGYTV VIAEERLNAG LGPGLLEQGD LGSWDLLICL SSKKAEGTPC ISKEVMCQLG L Highest antigen sequence identity to the following orthologs: Mouse - 62%, Rat