New β-phospholactam as a carbapenem transition state analog: Synthesis of a broad-spectrum inhibitor of metallo-β-lactamases.

New β-phospholactam as a carbapenem transition state analog: Synthesis of a broad-spectrum inhibitor of metallo-β-lactamases.
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DOI:
10.1016/j.bmcl.2013.08.098
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发表时间:
2013-11-01
影响因子:
2.7
通讯作者:
Crowder, Michael W.
Crowder, Michael W.
中科院分区:
医学4区
文献类型:
--
作者:
Yang, Ke-Wu;Feng, Lei;Yang, Shao-Kang;Aitha, Mahesh;LaCuran, Alecander E.;Oelschlaeger, Peter;Crowder, Michael W.

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In an effort to test whether a transition state analog is an inhibitor of the metallo-β-lactamases, a phospholactam analog of carbapenem has been synthesized and characterized. The phospholactam 1 proved to be a weak, time-dependent inhibitor of IMP-1 (70%), CcrA (70%), L1 (70%), NDM-1 (53%), and Bla2 (94%) at an inhibitor concentration of 100 µM. The phospholactam 1 activated ImiS and BcII at the same concentration. Docking studies were used to explain binding and to offer suggestions for modifications to the phospholactam scaffold to improve binding affinities.
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