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- W2897069373 abstract "Accurate protein structure in the ligand-bound state is a prerequisite for successful structure-based virtual screening (SBVS). Therefore, applications of SBVS against targets for which only an apo structure is available may be severely limited. To address this constraint, we developed a computational strategy to explore the ligand-bound state of a target protein, by combined use of molecular dynamics simulation, MM/GBSA binding energy calculation, and fragment-centric topographical mapping. Our computational strategy is validated against low-molecular weight protein tyrosine phosphatase (LMW-PTP) and then successfully employed in the SBVS against protein tyrosine phosphatase receptor type O (PTPRO), a potential therapeutic target for various diseases. The most potent hit compound GP03 showed an IC50 value of 2.89 μM for PTPRO and possessed a certain degree of selectivity toward other protein phosphatases. Importantly, we also found that neglecting the ligand energy penalty upon binding partially accounts for the false positive SBVS hits. The preliminary structure–activity relationships of GP03 analogs are also reported." @default.
- W2897069373 created "2018-10-26" @default.
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- W2897069373 date "2018-10-09" @default.
- W2897069373 modified "2023-10-15" @default.
- W2897069373 title "Computational Strategy for Bound State Structure Prediction in Structure-Based Virtual Screening: A Case Study of Protein Tyrosine Phosphatase Receptor Type O Inhibitors" @default.
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- W2897069373 doi "https://doi.org/10.1021/acs.jcim.8b00548" @default.
- W2897069373 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/6319941" @default.
- W2897069373 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/30299094" @default.
- W2897069373 hasPublicationYear "2018" @default.
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