Abstract
The determination of the protonation state of the functional groups of ligands, and the amino acid residues with electrically charged side chains (His, Lys, Arg, Asp and Glu) or the nucleotide bases of the nucleic acids that they interact with, is important for ligand binding and recognition, the enzyme activity and reaction mechanism, and protein folding/unfolding and stability. Herein, the effects of different protonation state assignments of the small substrate and inhibitors and the critical residues on the reverse transcriptase and protease of human immunodeficiency virus type 1 (HIV-1) and the M2 proton channel of influenza A virus are reviewed. Theoretical studies on these topics are summarized and compared with the experimental data.
Keywords: Protonation state, HIV-1 reverse transcriptase, HIV-1 protease, M2 proton channel, Influenza virus.
Current Pharmaceutical Design
Title:Effects of the Protonation State of the Catalytic Residues and Ligands Upon Binding and Recognition in Targeted Proteins of HIV-1 and Influenza Viruses
Volume: 19 Issue: 23
Author(s): Nadtanet Nunthaboot, Thanyada Rungrotmongkol, Ornjira Aruksakunwong and Supot Hannongbua
Affiliation:
Keywords: Protonation state, HIV-1 reverse transcriptase, HIV-1 protease, M2 proton channel, Influenza virus.
Abstract: The determination of the protonation state of the functional groups of ligands, and the amino acid residues with electrically charged side chains (His, Lys, Arg, Asp and Glu) or the nucleotide bases of the nucleic acids that they interact with, is important for ligand binding and recognition, the enzyme activity and reaction mechanism, and protein folding/unfolding and stability. Herein, the effects of different protonation state assignments of the small substrate and inhibitors and the critical residues on the reverse transcriptase and protease of human immunodeficiency virus type 1 (HIV-1) and the M2 proton channel of influenza A virus are reviewed. Theoretical studies on these topics are summarized and compared with the experimental data.
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Nunthaboot Nadtanet, Rungrotmongkol Thanyada, Aruksakunwong Ornjira and Hannongbua Supot, Effects of the Protonation State of the Catalytic Residues and Ligands Upon Binding and Recognition in Targeted Proteins of HIV-1 and Influenza Viruses, Current Pharmaceutical Design 2013; 19 (23) . https://dx.doi.org/10.2174/1381612811319230010
DOI https://dx.doi.org/10.2174/1381612811319230010 |
Print ISSN 1381-6128 |
Publisher Name Bentham Science Publisher |
Online ISSN 1873-4286 |
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