Synthesis and stereospecificity of 4,5-disubstituted oxazolidinone ligands binding to T-box riboswitch RNA.

Synthesis and stereospecificity of 4,5-disubstituted oxazolidinone ligands binding to T-box riboswitch RNA.
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DOI:
10.1021/jm2006904
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发表时间:
2011-10-13
影响因子:
7.3
通讯作者:
Hines, Jennifer V.
Hines, Jennifer V.
中科院分区:
医学1区
文献类型:
--
作者:
Orac, Crina M.;Zhou, Shu;Means, John A.;Boehm, David;Bergmeier, Stephen C.;Hines, Jennifer V.

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The enantiomers and the cis isomers of two previously studied 4,5-disubstituted oxazolidinones have been synthesized and their binding to the T-box riboswitch antiterminator model RNA investigated in detail. Characterization of ligand affinities and binding site localization indicate that there is little stereospecific discrimination for binding antiterminator RNA alone. This binding similarity between enantiomers is likely due to surface binding, which accommodates ligand conformations that result in comparable ligand-antiterminator contacts. These results have significant implications for T-box antiterminator-targeted drug discovery and, in general, for targeting other medicinally relevant RNA that do not present deep binding pockets.
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