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ROWVA: A Structure-Based Metric for Predicting the Pathogenicity of Protein Variants Using Alphafold2.

Taiki Furutani1, Yuka Okusha2, Hiroki Nagami2

  • 1Public Health Informatics Unit, Department of Integrated Health Sciences, Nagoya University Graduate School of Medicine, Nagoya, Japan.

Cancer Science
|April 7, 2026
PubMed
Summary

AlphaFold2 accurately predicts the functional impact of p53 variants using 3D structural data. This tool helps assess pathogenicity for variants of uncertain significance, improving tumor suppressor protein analysis.

Keywords:
3D protein structural predictionAlphaFold2p53tumor suppressorvariants of uncertain significance

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Area of Science:

  • Genomics
  • Protein Structure Prediction
  • Computational Biology

Background:

  • The p53 protein is a crucial tumor suppressor that functions as a tetramer.
  • Malignant variants in p53's tetramer-forming domain can lead to dysfunction.
  • Identifying the pathogenicity of newly discovered p53 variants is essential.

Purpose of the Study:

  • To evaluate AlphaFold2's capability in assessing the functional impacts of p53 variants.
  • To utilize predicted 3D structural information for variant pathogenicity assessment.

Main Methods:

  • Performed 3D structural predictions for p53 variants using AlphaFold2.
  • Analyzed correlations between AlphaFold2-derived scores and known functional scores (e.g., protein stability, pathogenicity).
  • Compared root-mean-square deviation between wild-type and variant structures.

Main Results:

  • AlphaFold2-derived scores showed a high correlation with functional scores.
  • Root-mean-square deviation between predicted wild-type and variant structures correlated well with functional impact.
  • Demonstrated AlphaFold2's utility in predicting p53 variant pathogenicity.

Conclusions:

  • AlphaFold2 can effectively predict the functional consequences of p53 variants.
  • This computational approach aids in evaluating variants of uncertain significance.
  • Facilitates a deeper understanding of p53-related dysfunction in cancer.