P32/98 is a potent inhibitor of dipeptidyl peptidase IV . P32/98 improves glucose tolerance, insulin sensitivity and β-cell responsiveness in preclinical studies using the fatty Zucker rat, an animal model for IGT (impaired glucose tolerance).

GSK3494245是一种Leishmania donovani抑制剂，能够抑制由L. donovani蛋白酶体的β5亚基催化的胰凝乳蛋白酶样活性，结合位点在蛋白酶体亚基β4和β5之间，可用于研究内脏利什曼病（VL）。

Prodipine hydrochloride for purified and plasma Dipeptidyl peptidase IV (DPP IV) from the rabbit (IC50 of 4.5 μM and 30 μM, respectively).

Diprotin B is a dipeptidyl peptidase IV inhibitor.

Z-Ala-Arg-Arg-AMC (FluorogenicProteasomeSubstrate) 作为荧光底物，专用于检测蛋白酶体中的胰蛋白酶样活性。

Selective calpain inhibitor. Strongly inhibits calpain I (Ki = 0.2 nM) and II but does not inhibit papain, trypsin and cathepsin L (Ki = 6 μM). Increases secretion of amyoid β-protein (Aβ) 42, Aβ40 and Aβ42 ratio.

(-)-Sitagliptin carbamoyl glucuronide is a minor phase II metabolite of the dipeptidyl peptidase 4 (DPP-4) inhibitor (-)-sitagliptin . (-)-Sitagliptin carbamoyl glucuronide is formed by N-carbamoyl glucuronidation and has been found in rat and dog plasma following administration of (-)-sitagliptin.

AK 295, also known as CX 295, is a dipeptide inhibitor of alpha-ketoamide calpain.

Z-Leu-Tyr-Chloromethylketone是一种抑制剂，专门针对钙蛋白酶(calpain)活性。