Immunogen sequence: SHLPSSTASP SGPPAQDQDI CPASEDESGQ WKNFRLPDFV NPVHYDLHVK PLLEEDTYTG TVSISINLSA PTRYLWLHLR ETRITRLPEL KRPSGDQVQV RRCFEYKKQE YVVVE Highest antigen sequence identity to the following orthologs: Mouse - 71%, Rat - 67%. CD249 appears to have