C-Npys (S-3-nitro-2-pyridinesulfenyl) and peptide derivatives can inhibit a serine-thiol proteinase activity from Paracoccidioides brasiliensis.
Matsuo AL, Carmona AK, Silva LS, Cunha CE, Nakayasu ES, Almeida IC, Juliano MA, Puccia R. C-Npys (S-3-nitro-2-pyridinesulfenyl) and peptide derivatives can inhibit a serine-thiol proteinase activity from Paracoccidioides brasiliensis. Biochem Biophys Res Commun. 2007 Apr 20; 355(4):1000-5.