Immunogen sequence: GTKRGAEKTE VAEPRNKLPR PAPSLPTDPA LYSGPFPFYR RPSELGCFSL DAQRQYHGDA RALRYYSPPP TNGPGPNFDL RDGYPDR Highest antigen sequence identity to the following orthologs: Mouse - 85%, Rat - 87%. This gene localizes to the major histocompatibility