Process of Fragment-Based Lead Discovery-A Perspective from NMR.
Process of Fragment-Based Lead Discovery-A Perspective from NMR.
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DOI:
10.3390/molecules21070854
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发表时间:
2016-07-16
期刊:
影响因子:
--
通讯作者:
Ruan K
中科院分区:
文献类型:
--
作者:
Ma R;Wang P;Wu J;Ruan K
Fragment-based lead discovery (FBLD) has proven fruitful during the past two decades for a variety of targets, even challenging protein–protein interaction (PPI) systems. Nuclear magnetic resonance (NMR) spectroscopy plays a vital role, from initial fragment-based screening to lead generation, because of its power to probe the intrinsically weak interactions between targets and low-molecular-weight fragments. Here, we review the NMR FBLD process from initial library construction to lead generation. We describe technical aspects regarding fragment library design, ligand- and protein-observed screening, and protein–ligand structure model generation. For weak binders, the initial hit-to-lead evolution can be guided by structural information retrieved from NMR spectroscopy, including chemical shift perturbation, transferred pseudocontact shifts, and paramagnetic relaxation enhancement. This perspective examines structure-guided optimization from weak fragment screening hits to potent leads for challenging PPI targets.
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