Cited by 15Protein Structure and DynamicsMachine Learning in BioinformaticsGenomics and Rare Diseases

Residue conservation and solvent accessibility are (almost) all you need for predicting mutational effects in proteins

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Tsishyn, Matsvei, Hermans, Pauline, Rooman, Marianne, Pucci, Fabrizio·2025·Bioinformatics

Published version of a preprint

Abstract

Motivation: Predicting how mutations impact protein biophysical properties remains a significant challenge in computational biology. In recent years, numerous predictors, primarily deep learning models, have been developed to address this problem; however, issues such as their lack of interpretability and limited accuracy persist. Results: We showed that a simple evolutionary score, based on the log-odd ratio of wild-type and mutated residue frequencies in evolutionary related proteins, when scaled by the residue’s relative solvent accessibility, performs on par with or slightly outperforms most of the benchmarked predictors, many of which are considerably more complex. The evaluation is performed on mutations from the ProteinGym deep mutational scanning dataset collection, which measures various properties such as stability, activity or fitness. This raises further questions about what these complex models actually learn and highlights their limitations in addressing prediction of mutational landscape. Availability and implementation: The RSALOR model is available as a user-friendly Python package that can be installed from the PyPI repository. The code is freely available at https://github.com/3BioCompBio/RSALOR.

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Authors
Tsishyn, M., Hermans, P., Rooman, M., & Pucci, F.
Affiliations
Université Libre de Bruxelles (BE)
Corresponding author
  • Tsishyn, Matsvei
  • Pucci, Fabrizio
Venue
Bioinformatics
Published
2025-05-28
Volume
41
Issue
6
ISSN
  • 1367-4803 (ISSN-L)
  • 1367-4811
OpenAlex
W4410811941
Cited by
15
References
27
Citations by year
2026: 10 · 2025: 5
FWCI
4.51
Type
journal article
Language
en
Open access
Locations
  • Bioinformatics (publishedVersion, cc-by)
  • bioRxiv (Cold Spring Harbor Laboratory) (acceptedVersion, cc-by-nc-nd)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Dépôt institutionnel de l'Université libre de Bruxelles (Université Libre de Bruxelles) (submittedVersion, other-oa)
Funders
Belgian Fund for Scientific Research
Topics
  • 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
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genomics and Rare Diseases
Keywords
protein mutations, amino acid conservation, solvent accessibility, deep mutational scanning, protein stability, protein activity, interpretability
MeSH terms
Mutation, Proteins, Software, Solvents, Evolution, Molecular, Computational Biology, Databases, Protein

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