The hydrophobic trap-the Achilles heel of RND efflux pumps.
The hydrophobic trap-the Achilles heel of RND efflux pumps.
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DOI:
10.1016/j.resmic.2017.11.001
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发表时间:
2018-09
影响因子:
2.6
通讯作者:
Opperman TJ
中科院分区:
文献类型:
--
作者:
Aron Z;Opperman TJ
Resistance-nodulation-division (RND) superfamily efflux pumps play a major role in multidrug resistance (MDR) of Gram-negative pathogens by extruding diverse classes of antibiotics from the cell. There has been considerable interest in developing efflux pump inhibitors (EPIs) of RND pumps as adjunctive therapies. The primary challenge in EPI discovery has been the highly hydrophobic, poly-specific substrate binding site of the target. Recent findings have identified the hydrophobic trap, a narrow phenylalanine- lined groove in the substrate-binding site, as the “Achilles heel” of the RND efflux pumps. In this review, we will examine the hydrophobic trap as an EPI target and two chemically distinct series of EPIs that bind there.
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