Most drugs bind proteins and modulate their functions. Chemoproteomic methods allow to profile drugs for their binding affinity to thousands of proteins in a single experiment, enabling the identification of drug targets and the understanding of drug mode of action. Here, chemoproteomic technologies were developed to perform drug target deconvolution and selectivity profiling of over 50 HDAC inhibitors. Our results question claimed selectivities of widely-used inhibitors, identified MBLAC2 as common off-target, and uncovered HDACs as targets of the approved drug lipoic acid.
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Most drugs bind proteins and modulate their functions. Chemoproteomic methods allow to profile drugs for their binding affinity to thousands of proteins in a single experiment, enabling the identification of drug targets and the understanding of drug mode of action. Here, chemoproteomic technologies were developed to perform drug target deconvolution and selectivity profiling of over 50 HDAC inhibitors. Our results question claimed selectivities of widely-used inhibitors, identified MBLAC2 as co...
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