Immunogen sequence: FVVPGIHPYF HIGSNALNHT EQYTEAAGSQ EAQFYTLRTA KALAMTALDV IFKPELLEGI REDFKLKLQE EQFVN Highest antigen sequence identity to the following orthologs: Mouse - 84%, Rat - 84%. PM20D2 belongs to the peptidase M20A family. The function of PM20