Immunogen sequence: DGLEDCCSRD ENEEEEGDSE CSSLSAVSPS ESVAMISRSC MEILTKPLSN HEKVVRPALI YSLFPNVPPT IYFGTRDERV EKLPWEQRKL LRWKMSTVTP NIVKQTIGRS HFKISKRNDD WLGCWGHHMK SPSFRSI Highest antigen sequence identity to the following orthologs: Mouse - 89%, Rat - 89