Immunogen sequence: MAAAMETEQL GVEIFETADC EENIESQDRP KLEPFYVERY SWSQLKKLLA DTRKYHGYMM AKAPHDFMFV KRNDPDGPHS DRIYYLAMSG ENRENTLFYS EIPKTINRAA VLMLSWKPL. This gene encodes a member of the peptidase S9B family, a small family of dipeptidyl peptidases that a