Immunogen sequence: PKRTARLFPS AAQVTFQEEA VSSPEVIFVA VFREHYSSLC SLSDQLAGKI LVDVSNPTEQ EHLQHRE Highest antigen sequence identity to the following orthologs: Mouse - 93%, Rat - 91%. The six-transmembrane epithelial antigen of prostate 3 (STEAP3) is a membe