Journal
CHEMICAL PHYSICS LETTERS
Volume 695, Issue -, Pages 69-78Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.cplett.2018.01.059
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Funding
- DST - India [SB/S1/PC-048/2013]
- UPE-UGC - India from Jawaharlal Nehru University
- DST-PURSE grant
- DBT-CoE (Department of Biotechnology-Centre of Excellence)
- CSIR (Council of Scientific & Industrial Research)
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The relative performance of MM-PBSA and MM-3D-RISM methods to estimate the binding free energy of protein-ligand complexes is investigated by applying these to three proteins (Dihydrofolate Reductase, Catechol-O-methyltransferase, and Stromelysin-1) differing in the number of metal ions they contain. None of the computational methods could distinguish all the ligands based on their calculated binding free energies (as compared to experimental values). The difference between the two comes from both polar and non-polar part of solvation. For charged ligand case, MM-PBSA and MM-3D-RISM give a qualitatively different result for the polar part of solvation. (C) 2018 Elsevier B. V. All rights reserved.
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