Immunogen sequence: EDGHLKCPRSA KPQDAVVPES SSCAPSANGW CPGDRMGLSQ APPVSWNGER ESDVVQELLK YSSDKAYGRK VLTWDGKMSA VSQDAIEDSR QARTETVVDD WDEEFDRGKE KKIKKFKREK RRNFNAFQKL QTRRNFWSVT HPAK Highest antigen sequence identity to the following orthologs - mouse 70%,