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Molecular docking to flexible targets.

Jesper Sørensen1, Özlem Demir, Robert V Swift

  • 1Department of Chemistry and Biochemistry, University of California, 3234 Urey Hall, MC-0340, San Diego, La Jolla, CA, 92093-0340, USA.

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Summary
This summary is machine-generated.

Incorporating protein receptor flexibility into virtual screening is challenging. This study presents stepwise methods to generate and select relevant protein conformations for improved drug discovery virtual screening protocols.

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Area of Science:

  • Computational biology
  • Structural biology
  • Drug discovery

Background:

  • Protein receptors exist as a dynamic ensemble of conformations in solution.
  • Accurately modeling receptor flexibility is crucial for effective virtual screening in drug discovery.

Purpose of the Study:

  • To describe stepwise methodologies for generating and selecting relevant protein conformations for virtual screening.
  • To integrate these methods within the relaxed complex scheme (RCS) for drug design.
  • To enable robust statistical analysis of virtual screening outcomes.

Main Methods:

  • Utilized equidistant spacing, RMSD-based clustering, and QR factorization for generating protein conformation ensembles.
  • Employed Receiver Operating Characteristic (ROC) analysis for selecting optimal ensembles.
  • Developed protocols for designing small molecule libraries tailored for docking.

Main Results:

  • Demonstrated stepwise approaches for handling protein receptor flexibility in virtual screening.
  • Provided a framework for ensemble generation and selection within the relaxed complex scheme.
  • Facilitated statistical analysis for evaluating virtual screening performance.

Conclusions:

  • The described methodologies offer a systematic way to incorporate receptor flexibility into virtual screening.
  • These methods enhance the accuracy and reliability of virtual screening for drug discovery.
  • The relaxed complex scheme (RCS) can be effectively augmented with advanced conformational analysis techniques.