Immunogen sequence: IKKNEGLTWP ELVIGDKQGE LIRDSAQCAA IAERLMHLTS EELNPNPDKE KPPCNAQELE ECDIFFEESS SLCRFDGNTL KTTHVVNLGS NQYL Highest antigen sequence identity to the following orthologs: Mouse - 93%, Rat - 96%. CML66, also known as TSGA10 (Testis Specific