Immunogen sequence: TTENMDKDGK WSFCADTRIS ALVPGFPCHF PFNYKNKNYF NCTNKGSKEN LVWCATSYNY DQDHTWVYC Highest antigen sequence identity to the following orthologs: Mouse - 43%, Rat - 43%. ELSPBP1 (epididymal sperm-binding protein 1), also known as epididymal s