Ligand and Target Discovery by Fragment-Based Screening in Human Cells.
Ligand and Target Discovery by Fragment-Based Screening in Human Cells.
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DOI:
10.1016/j.cell.2016.12.029
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发表时间:
2017-01-26
期刊:
影响因子:
64.5
通讯作者:
Cravatt BF
中科院分区:
文献类型:
--
作者:
Parker CG;Galmozzi A;Wang Y;Correia BE;Sasaki K;Joslyn CM;Kim AS;Cavallaro CL;Lawrence RM;Johnson SR;Narvaiza I;Saez E;Cravatt BF
Advances in the synthesis and screening of small-molecule libraries have accelerated the discovery of chemical probes for studying biological processes. Still, only a small fraction of the human proteome has chemical ligands. Here, we describe a platform that marries fragment-based ligand discovery with quantitative chemical proteomics to map thousands of reversible small molecule-protein interactions directly in human cells, many of which can be site-specifically determined. We show that fragment hits can be advanced to furnish selective ligands that affect the activity of proteins heretofore lacking chemical probes. We further combine fragment-based chemical proteomics with phenotypic screening to identify small molecules that promote adipocyte differentiation by engaging the poorly characterized membrane protein PGRMC2. Fragment-based screening in human cells thus provides an extensive proteome-wide map of protein ligandability and facilitates the coordinated discovery of bioactive small molecules and their molecular targets.
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