Structure-Activity Relationships in Metal-Binding Pharmacophores for Influenza Endonuclease.

Structure-Activity Relationships in Metal-Binding Pharmacophores for Influenza Endonuclease.
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DOI:
10.1021/acs.jmedchem.8b01363
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发表时间:
2018-11-21
影响因子:
7.3
通讯作者:
Cohen SM
Cohen SM
中科院分区:
医学1区
文献类型:
--
作者:
Credille CV;Dick BL;Morrison CN;Stokes RW;Adamek RN;Wu NC;Wilson IA;Cohen SM

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Metalloenzymes represent an important target space for drug discovery. A limitation to the early development of metalloenzyme inhibitors has been the lack of established structure-activity relationships (SARs) for molecules that bind the metal ion cofactor(s) of a metalloenzyme. Herein, we employed a bioinorganic perspective to develop an SAR for inhibition of the metalloenzyme influenza RNA polymerase PAN endonuclease. The identified trends highlight the importance of the electronics of the metal-binding pharmacophore (MBP), in addition to MBP sterics, for achieving improved inhibition and selectivity. By optimizing the MBPs for PAN endonuclease, a class of highly active and selective fragments were developed that display IC50 values <50 nM. This SAR led to structurally distinct molecules that also displayed IC50 values of ∼10 nM, illustrating the utility of a metal-centric development campaign in generating highly active and selective metalloenzyme inhibitors.
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