Immunogen sequence: VDSLDEPPNS RIFLVISKYT PESVLRERFS PFGDIQDIWV VRDKHTKESK GIAFVKFARS SQACRAMEEM HGQCLGPNDT KPIKVFIAQS RSSGSHRDVE DEELTRIFVM IPKSYTEE Highest antigen sequence identity to the following orthologs: Mouse - 96%, Rat - 98%. DRB1 is RNA-bindin