Cited by 66Protein Structure and DynamicsGenomics and Rare DiseasesComputational Drug Discovery Methods

SAAMBE: webserver to predict the charge of binding free energy caused by amino acids mutations

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Petukh, Marharyta, Dai, Luogeng, Alexov, Emil·2016·International Journal of Molecular Sciences

Abstract

Predicting the effect of amino acid substitutions on protein-protein affinity (typically evaluated via the change of protein binding free energy) is important for both understanding the disease-causing mechanism of missense mutations and guiding protein engineering. In addition, researchers are also interested in understanding which energy components are mostly affected by the mutation and how the mutation affects the overall structure of the corresponding protein. Here we report a webserver, the Single Amino Acid Mutation based change in Binding free Energy (SAAMBE) webserver, which addresses the demand for tools for predicting the change of protein binding free energy. SAAMBE is an easy to use webserver, which only requires that a coordinate file be inputted and the user is provided with various, but easy to navigate, options. The user specifies the mutation position, wild type residue and type of mutation to be made. The server predicts the binding free energy change, the changes of the corresponding energy components and provides the energy minimized 3D structure of the wild type and mutant proteins for download. The SAAMBE protocol performance was tested by benchmarking the predictions against over 1300 experimentally determined changes of binding free energy and a Pearson correlation coefficient of 0.62 was obtained. How the predictions can be used for discriminating disease-causing from harmless mutations is discussed. The webserver can be accessed via http://compbio.clemson.edu/saambe_webserver/.

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Authors
Petukh, M., Dai, L., & Alexov, E.
Affiliations
Clemson University (US)
Corresponding author
Alexov, Emil
Venue
International Journal of Molecular Sciences
Publisher
MDPI AG
Published
2016-04-12
Volume
17
Issue
4
Pages
547
ISSN
1422-0067 (ISSN-L)
OpenAlex
W2340330302
Cited by
65
References
45
Citations by year
2025: 1 · 2024: 6 · 2023: 10 · 2022: 7 · 2021: 5 · 2020: 14 · 2019: 8 · 2018: 6 · 2017: 5 · 2016: 3
FWCI
3.81
Type
journal article
Language
en
Open access
Locations
  • International Journal of Molecular Sciences (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
National Institutes of Health (R01GM093937)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Structure and Dynamics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genomics and Rare Diseases
  • Physical Sciences › Computer Science › Computational Theory and Mathematics › Computational Drug Discovery Methods
Keywords
amino acid mutations, missense mutations, energy components, protein structure prediction, web server, pathogenic variants, protein engineering
MeSH terms
Computer Simulation, Humans, Protein Binding, Proteins, Thermodynamics, Amino Acid Substitution, Mutation, Missense, Web Browser

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