Immunogen sequence: GYIASMILKS DEKLFKCGSV VAPITDLKLY ASAFSERYLG MPSKEESTYQ AASVLHNVHG LKEENILIIH GTADTKVHFQ HSAELIKHLI KAGVNYTMQV Y. A novel gene, DPP10, encodes a homolog of dipeptidyl peptidases (DPPs) that cleave terminal dipeptides from cytokines and