Immunogen sequence: NRVAEFHTEL ERLPAKDIQT NVYIKHPVSL EQYLMEGSYN KVFLAKGNIP AESYTFFIDI LLDTIRDEIA GCIEKAYEKI LFTEATRILF FNTPKKMTDY AKKRGWVLGP NNYYSFASQQ QKPEDTTIPS TELAKQVIEY ARQ Highest antigen sequence identity to the following orthologs: Mouse - 98%, R