Perspective on the SAMPL and D3R Blind Prediction Challenges for Physics-Based Free Energy Methods

Nicolas Tielker, Lukas Eberlein, Oliver Beckstein, Stefan Güssregen, Bogdan I. Iorga, Stefan M. Kast, Shuai Liu

Research output: Chapter in Book/Report/Conference proceedingChapter

2 Scopus citations

Abstract

Solvation and binding thermodynamics of a drug-like molecule is quantified by the respective free energy (FE) change that governs physical properties like log P/log D and binding affinities as well as more complex features such as solubility or permeability. The drug discovery process benefits significantly from reliable predictions of FEs, which are hence a key area for the theoretical and modeling community. Despite the clear physical background rooted in statistical mechanics, the desired accuracy goal is hard to achieve. Current modeling methods still need to be improved in various areas related to the FE problem, such as the quality of force fields and quantum-mechanical approximations, the efficiency of sampling algorithms as well as the robustness of computational workflows. In this context, blind prediction challenges, where participants are tasked with testing their computational methods and workflows on compound property predictions without knowing the experimental data, are excellent testbeds to evaluate and improve the modeling methodology. SAMPL (Statistical Assessment of the Modeling of Proteins and Ligands) and Drug Design Data Resource-Grand Challenges (D3R-GCs) represent widely known initiatives demonstrating how the “blind prediction” concept boosts the development of FE predictions. In this chapter, we summarize the status of recent SAMPL and D3R-GCs from the point of view of long-time participants, with the aim of providing the community with a collection of datasets and references.

Original languageEnglish (US)
Title of host publicationACS Symposium Series
EditorsKira A. Armacost, David C. Thompson
PublisherAmerican Chemical Society
Pages67-107
Number of pages41
DOIs
StatePublished - 2021

Publication series

NameACS Symposium Series
Volume1397
ISSN (Print)0097-6156
ISSN (Electronic)1947-5918

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)

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