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A physics-based scoring function for protein structural decoys: Dynamic testing on targets of CASP-ROLL

  • Yasser B. Ruiz-Blanco*
  • , Yovani Marrero-Ponce
  • , Yamila García
  • , Amilkar Puris
  • , Rafael Bello
  • , James Green
  • , Clivia M. Sotomayor-Torres
  • *Corresponding author for this work
  • Universidad Central Marta Abreu de Las Villas
  • Carleton University
  • Universidad de Cartagena
  • ICREA/IFAE

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

Most successful structure prediction strategies use knowledge-based functions for global optimization, in spite of their intrinsic limited potential to create new folds, while physics-based approaches are often employed only during structure refinement steps. We here propose a physics-based scoring potential intended to perform global searches of the conformational space. We introduce a dynamic test to evaluate the discrimination power of our function, and compare it with predictions of targets from the CASP-ROLL competition. Results demonstrate that this dynamic test is able to generate 3D models which outrank 59% (according GDT-TS score) of models generated with ab initio structure prediction servers.

Original languageEnglish
Pages (from-to)135-140
Number of pages6
JournalChemical Physics Letters
Volume610-611
DOIs
StatePublished - 28 Aug 2014
Externally publishedYes

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