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| Assay Range | 62.5 - 4000 pg/ml |
Dipeptidyl-peptidase II (DPPII), also known as quiescent cell proline dipeptidase (QPP) and dipeptidyl-peptidase 7(DPP7), is a post-proline cleaving amino peptidase expressed in quiescent lymphocytes. The resting lymphocytes are maintained through suppression of apoptosis, a state which is disrupted by inhibition of this novel serine protease. The enzyme has strong sequence homology with prolylcarboxypeptidase and is active at both acidic and neutral pH. DPP7 plays an important role in the degradation of some oligopeptides.
