alexa Three new powerful oseltamivir derivatives for inhibiting the neuraminidase of influenza virus.


Drug Designing: Open Access

Author(s): Wang SQ, Cheng XC, Dong WL, Wang RL, Chou KC

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Abstract Owing to its unique function in assisting the release of newly formed virus particles from the surface of an infected cell, neuraminidase, an antigenic glycoprotein enzyme, is a main target for drug design against influenza viruses. The group-1 neuraminidase of influenza virus possesses a 150-cavity, which is adjacent to the active pocket, and which renders conformational change from the 'open' form to the 'closed' form when the enzyme is binding with a ligand. Using AutoGrow evolutionary algorithm, one very unique fragment is screened out from the fragment databases by exploiting additional interactions with the 150-cavity. Subsequently, three derivatives were constructed by linking the unique fragment to oseltamivir at its three different sites. The three derivatives thus formed show much stronger inhibition power than oseltamivir, and hence may become excellent candidates for developing new and more powerful drugs for treating influenza. Or at the very least, the findings may stimulate new strategy or provide useful insights for working on the target vitally important to the health of human beings. Copyright © 2010 Elsevier Inc. All rights reserved. This article was published in Biochem Biophys Res Commun and referenced in Drug Designing: Open Access

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