Immunogen sequence: HKQEREIPNF HQIREFLEHQ VSCKIEEKAL LSSDQCSVSQ MDTLSTGEVP KMIQLPSKNR QLIRQKAVST DRTSVPKIKK NVMEDPFPRK SSTITTPP Highest antigen sequence identity to the following orthologs: Mouse - 51%, Rat - 45%. May participate in spermatogenesis via i