Immunogen sequence: VEGLTVVGQQ FGESVTEPGQ TFVDAEFDGI LGLGYPSLAV GGVTPVFDNM MAQNLVDLPM FSVYMSSNPE GGAGSELIFG GYDHSHFSGS LNWVPVTKQA YWQIALDN Highest antigen sequence identity to the following orthologs: Mouse - 88%, Rat - 88%. Cathepsin E may have a role i