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Bioorg Med Chem Lett. 2000 Oct 16;10(20):2271-4.

NMR line-broadening and transferred NOESY as a medicinal chemistry tool for studying inhibitors of the hepatitis C virus NS3 protease domain.

Author information

1
Department of Chemistry, Boehringer Ingelheim, Laval, Québec, Canada. slaplante@lav.boehringer-ingelheim.com

Abstract

This work describes the use of NMR as a medicinal chemistry tool for better understanding the binding characteristics of inhibitors of the HCV NS3 protease. The protease-bound structure of a tetrapeptide-like inhibitor that has an acid C-terminus, a norvaline at P1 and a naphthylmethoxy proline at P2 is described. Conformational comparisons are made with a similar compound having a 1-amino-cyclopropylcarboxylic acid at P1 and with a hexapeptide inhibitor. Differences between the free and bound states are identified. 19F NMR also helped in determining that a single complex is observed when an inhibitor is added to the protease at a 1:1 ratio.

PMID:
11055336
[Indexed for MEDLINE]

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