Immunogen sequence: FDGEGKVRMIV CVNPKAEDYE ENLQVMRFAE VTQEVEVARP VDKAICGLTP GRRYRNQPRG PVGNEPLVTD VVLQSFPPLP SCEILDINDE QTLPRLIEAL EKRHNLRQMM IDEFNKQSNA FKALLQEFDN AVLSKENHMQ GKLN Highest antigen sequence identity to the following orthologs - mouse 77%,