Cited by 116Topological and Geometric Data AnalysisProtein Structure and DynamicsMachine Learning in Bioinformatics

Using persistent homology and dynamical distances to analyze protein binding

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Kovacev-Nikolic, Violeta, Bubenik, Peter, Nikolić, Dragan, Heo, Giseon·2016·Statistical Applications in Genetics and Molecular Biology

Abstract

Persistent homology captures the evolution of topological features of a model as a parameter changes. The most commonly used summary statistics of persistent homology are the barcode and the persistence diagram. Another summary statistic, the persistence landscape, was recently introduced by Bubenik. It is a functional summary, so it is easy to calculate sample means and variances, and it is straightforward to construct various test statistics. Implementing a permutation test we detect conformational changes between closed and open forms of the maltose-binding protein, a large biomolecule consisting of 370 amino acid residues. Furthermore, persistence landscapes can be applied to machine learning methods. A hyperplane from a support vector machine shows the clear separation between the closed and open proteins conformations. Moreover, because our approach captures dynamical properties of the protein our results may help in identifying residues susceptible to ligand binding; we show that the majority of active site residues and allosteric pathway residues are located in the vicinity of the most persistent loop in the corresponding filtered Vietoris-Rips complex. This finding was not observed in the classical anisotropic network model.

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  • Persistent homology is able to bridge geometry and topology, leading to a new efficient approach for the simplification of biological structural complexity.

    “Persistent homology22–25—a new branch of algebraic topology—is able to bridge geometry and topology, leading to a new efficient approach for the simplification of biological structural complexity26–31; however, it neglects critical chemical/biological information when it is directly applied to complex biomolecular structures.”

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  1. Chazal, F., B. T. Fasy, F. Lecci, A. Rinaldo and L. Wasserman (2014b): "Stochastic convergence of persistence landscapes and silhouettes," In: Proceedings of the Thirtieth Annual Symposium on Computational Geometry, SOCG'14, New York, NY, USA: ACM, 474-483.
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  8. Nikolić, D. and V. Kovacev-Nikolic (2013): "Dynamical model of the maltose-binding protein," unpublished, 11 pages, Research Gate. DOI: 10.13140/2.1.3269.8883. · DOI
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Authors
Kovacev-Nikolic, V., Bubenik, P., Nikolić, D., & Heo, G.
Affiliations
University of Alberta (CA)
Corresponding author
Heo, Giseon
Venue
Statistical Applications in Genetics and Molecular Biology
Published
2016-01-01
Volume
15
Issue
1
Pages
19-38
ISSN
  • 1544-6115 (ISSN-L)
  • 2194-6302
OpenAlex
W2408772186
Cited by
116
References
22
Citations by year
2026: 7 · 2025: 15 · 2024: 7 · 2023: 12 · 2022: 17 · 2021: 20 · 2020: 19 · 2019: 9 · 2018: 3 · 2017: 4 · 2016: 3
FWCI
5.83
Type
journal article
Language
en
Open access
Locations
  • Statistical Applications in Genetics and Molecular Biology (publishedVersion)
  • PubMed (publishedVersion)
  • arXiv (Cornell University) (submittedVersion)
  • arXiv (Cornell University)
Funders
  • Compute Canada
  • University of Alberta
  • Natural Sciences and Engineering Research Council of Canada (293180)
  • Air Force Office of Scientific Research (FA9550-)
Topics
  • Physical Sciences › Computer Science › Computational Theory and Mathematics › Topological and Geometric Data Analysis
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Structure and Dynamics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Machine Learning in Bioinformatics
Keywords
persistent homology, persistence landscapes, protein binding, maltose-binding protein, protein conformational change, permutation tests, Vietoris-Rips complex, support vector machine, active site residues, allosteric pathways, ligand binding, anisotropic network model, topological data analysis
MeSH terms
Algorithms, Binding Sites, Models, Molecular, Protein Binding, Protein Conformation, Proteins, Models, Statistical, Catalytic Domain, Molecular Dynamics Simulation

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