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Random-walk: a stagnation recovery technique for simplified protein structure prediction

Published: 07 October 2012 Publication History

Abstract

Protein structure prediction is a challenging optimisation problem to the computer scientists. A large number of existing (meta-)heuristic search algorithms attempt to solve the problem by exploring possible structures and finding the one with minimum free energy. However, these algorithms often get stuck in local minima and thus perform poorly on large sized proteins. In this paper, we present a random-walk based stagnation recovery approach. We tested our approach on tabu-based local search as well as population based genetic algorithms. The experimental results show that, random-walk is very effective for escaping from local minima for protein structure prediction on face-centred-cubic lattice and hydrophobic-polar energy model.

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Cited By

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  • (2022)Constraint Guided Beta-Sheet Refinement for Protein Structure PredictionComputational Biology and Chemistry10.1016/j.compbiolchem.2022.107773101:COnline publication date: 1-Dec-2022
  • (2022)Artificial intelligence for template-free protein structure prediction: a comprehensive reviewArtificial Intelligence Review10.1007/s10462-022-10350-x56:8(7665-7732)Online publication date: 17-Dec-2022
  • (2017)EGAGP: An enhanced genetic algorithm for producing efficient graph partitions2017 4th International Conference on Networking, Systems and Security (NSysS)10.1109/NSYSS2.2017.8267792(1-9)Online publication date: Dec-2017
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      Published In

      cover image ACM Conferences
      BCB '12: Proceedings of the ACM Conference on Bioinformatics, Computational Biology and Biomedicine
      October 2012
      725 pages
      ISBN:9781450316705
      DOI:10.1145/2382936

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      Association for Computing Machinery

      New York, NY, United States

      Publication History

      Published: 07 October 2012

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      Author Tags

      1. local minima
      2. protein structure prediction
      3. random-walk
      4. search stagnation

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      BCB '12 Paper Acceptance Rate 33 of 159 submissions, 21%;
      Overall Acceptance Rate 254 of 885 submissions, 29%

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      View all
      • (2022)Constraint Guided Beta-Sheet Refinement for Protein Structure PredictionComputational Biology and Chemistry10.1016/j.compbiolchem.2022.107773101:COnline publication date: 1-Dec-2022
      • (2022)Artificial intelligence for template-free protein structure prediction: a comprehensive reviewArtificial Intelligence Review10.1007/s10462-022-10350-x56:8(7665-7732)Online publication date: 17-Dec-2022
      • (2017)EGAGP: An enhanced genetic algorithm for producing efficient graph partitions2017 4th International Conference on Networking, Systems and Security (NSysS)10.1109/NSYSS2.2017.8267792(1-9)Online publication date: Dec-2017
      • (2016)An ant colony optimization algorithm for load shedding minimization in smart grids2016 5th International Conference on Informatics, Electronics and Vision (ICIEV)10.1109/ICIEV.2016.7759991(176-181)Online publication date: May-2016
      • (2015)A tabu-based heuristic optimization algorithm for load shedding minimization2015 International Conference on Advances in Electrical Engineering (ICAEE)10.1109/ICAEE.2015.7506862(332-335)Online publication date: Dec-2015
      • (2015) Efficient conformational space exploration in ab initio protein folding simulation Royal Society Open Science10.1098/rsos.1502382:8(150238)Online publication date: Aug-2015
      • (2014)Amino Acids Pattern-Biased Spiral Search for Protein Structure PredictionPRICAI 2014: Trends in Artificial Intelligence10.1007/978-3-319-13560-1_12(143-156)Online publication date: 2014
      • (2013)Spiral search: a hydrophobic-core directed local search for simplified PSP on 3D FCC latticeBMC Bioinformatics10.1186/1471-2105-14-S2-S1614:S2Online publication date: 21-Jan-2013
      • (2013)Collaborative Parallel Local Search for Simplified Protein Structure PredictionProceedings of the 2013 12th IEEE International Conference on Trust, Security and Privacy in Computing and Communications10.1109/TrustCom.2013.118(966-973)Online publication date: 16-Jul-2013
      • (2013)A local search embedded genetic algorithm for simplified protein structure prediction2013 IEEE Congress on Evolutionary Computation10.1109/CEC.2013.6557688(1091-1098)Online publication date: Jun-2013

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