Immunogen sequence: SKGSLTNDQL ENGSEWKPTS FFLLSPSDQE MNEDFSLHSS SCPVTNEIKP PSCLFQTEFS QGILLSSSHR LFEDQRFGSS LFK Highest antigen sequence identity to the following orthologs: Mouse - 76%, Rat - 70%. RNF219 (Ring Finger Protein 219, C13orf7) is a Protein C