Immunogen sequence: LEFGKPNTLVC FVSNLFPPML TVNWQHHSVP VEGFGPTFVS AVDGLSFQAF SYLNFTPEPS DIFSCIVTHE IDRYTAIAYW VPRNALPSDL LENV Highest antigen sequence identity to the following orthologs - mouse 84%, rat 85%. HLA-DMA belongs to the HLA class II alpha chai