Immunogen sequence: KGTVHFAVVIT DGHVTGSPCG GIKLQAERAR EEGIRLFAVA PNQNLKEQGL RDIASTPHEL YRNDYATMLP DSTEIDQDTI NRIIKVMKHE AYGECYKVSC Highest antigen sequence identity to the following orthologs - mouse 91%, rat 90%. This gene encodes one of the three alpha