Immunogen sequence: LVPGLQDSEE KRIREFYQSR GLDRVTQPTG EEPALSNLGL PFSSFDHSKA HYYRYDEQLN LCLERLSSGK DKNKSVLQNK YVRCSVRAEV RHLRRVLCHR LMLNPQHVQL LFDNEVLPDH MTMKQIWLSR WFGKPSPLLL QYSVK Highest antigen sequence identity to the following orthologs: Mouse - 97%,