Immunogen sequence: RYFEPHSYFP QWIITKRGID YILRHMPTLH RERQGLSPKE AMLCFIQEAC RLEDVPVHFF RLHKDKKEGR PTVILGLALR GVHIYQGKKL EI Highest antigen sequence identity to the following orthologs: Mouse - 48%, Rat - 49%. The function of this protein remains unknown.