Immunogen sequence: PTFNAEAMAT ALGIPSGKHI LRRHLAEEMS AVFHPANSTG IREAERFGTP PGRASSVTRA GKEENSSGLK YKAGRLPLGK IGRGFSSKDP DFHDDY Highest antigen sequence identity to the following orthologs: Mouse - 84%, Rat - 88%. Component of the cornified envelope of ker