Bortezomib is a dipeptide boronic acid analogue with antineoplastic activity. The mechanism of action of bortezomib is as a Proteasome Inhibitor.

Lopinavir is an HIV Protease Inhibitor.

Nelfinavir mesylate is a potent HIV protease inhibitor.

Carfilzomib, an epoxomicin derivate with potential antineoplastic activity,  is a Proteasome Inhibitor.

Asunaprevir is an inhibitor of the hepatitis C virus enzyme serine protease NS3.

Daclatasvir is a Hepatitis C Virus NS5A Inhibitor.

Darunavir is an HIV Protease Inhibitor that is used in the treatment of AIDS and HIV infections.

Ledipasvir is an orally available inhibitor of the hepatitis C virus (HCV) non-structural protein 5A (NS5A) replication complex, with potential activity against HCV.