Immunogen sequence: IIPIKNALNL RNRQVICVTL KVLQHLVVSA EMVGKALVPY YRQILPVLNI FKNMNVNSGD GIDYSQQKRE NIGDLIQETL EAFERYGGEN AFINIKYVVP T. PACRG is a protein that is conserved across metazoans. In vertebrates, this gene is linked in a head-to-head arrangement