Proteo-genomics-guided interpretation of somatic mutations in cancer genomes.

Authors

Do Young Hyeon, Yuxiang Zhou, Wendy K Chung, Felix Dietlein

Published in

Cancer cell. Aug 21, 2026. Epub Aug 21, 2026.

Abstract

Cancer genomes harbor hundreds of mutated genes, but their exact roles in tumorigenesis often remain incompletely understood. Here, by integrating protein structures with mutation data from 139,818 patients, we generate detailed, functional maps of mutations for 173 cancer genes in 18+ tumor types. In most cancer genes, oncogenic mutations accumulate in "significantly mutated regions" aligned with key functions, including DNA-binding domains in transcription factors (e.g., FOXA1), ligand-binding sites in receptors (e.g., ERBB2), catalytic domains in chromatin remodelers (e.g., EP300), substrate-recognition sites in ubiquitin-proteasome regulators (e.g., SPOP), and degradation signals in cell-cycle proteins (e.g., CCND1). In other cancer genes, mutations align more closely with constraints in three-dimensional protein structures, such as targeting the interior core (e.g., TP53) or a specific secondary structure (e.g., PTEN). Broadly, our study provides a proteo-genomic framework to characterize the effects of mutations in tumorigenesis and integrate them into workflows for clinical interpretation in precision medicine.

PMID:
42628524
Bibliographic data and abstract were imported from PubMed on 22 Aug 2026.

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