Structure-guided design and optimization of dipeptidyl inhibitors of norovirus 3CL protease. Structure-activity relationships and biochemical, X-ray crystallographic, cell-based, and in vivo studies

Anushka C. Galasiti Kankanamalage, Yunjeong Kim, Pathum M. Weerawarna, Roxanne Adeline Z. Uy, Vishnu C. Damalanka, Sivakoteswara Rao Mandadapu, Kevin R. Alliston, Nurjahan Mehzabeen, Kevin P. Battaile, Scott Lovell, Kyeong Ok Chang, William C. Groutas

Research output: Contribution to journalArticlepeer-review

47 Scopus citations

Abstract

Norovirus infection constitutes the primary cause of acute viral gastroenteritis. There are currently no vaccines or norovirus-specific antiviral therapeutics available for the management of norovirus infection. Norovirus 3C-like protease is essential for viral replication, consequently, inhibition of this enzyme is a fruitful avenue of investigation that may lead to the emergence of antinorovirus therapeutics. We describe herein the optimization of dipeptidyl inhibitors of norovirus 3C-like protease using iterative SAR, X-ray crystallographic, and enzyme and cell-based studies. We also demonstrate herein in vivo efficacy of an inhibitor using the murine model of norovirus infection.

Original languageEnglish
Pages (from-to)3144-3155
Number of pages12
JournalJournal of Medicinal Chemistry
Volume58
Issue number7
DOIs
StatePublished - Apr 9 2015

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