tooluniverse-proteomics-analysis

Installation
SKILL.md

Proteomics Analysis

Comprehensive analysis of mass spectrometry-based proteomics data from protein identification through quantification, differential expression, post-translational modifications, and systems-level interpretation.

When to Use This Skill

Triggers: User has proteomics MS output files, asks about protein abundance/expression, differential protein expression, PTM analysis, protein-RNA correlation, multi-omics integration involving proteomics, protein complex/interaction analysis, or proteomics biomarker discovery.

COMPUTE, DON'T DESCRIBE

When analysis requires computation (statistics, data processing, scoring, enrichment), write and run Python code via Bash. Don't describe what you would do — execute it and report actual results. Use ToolUniverse tools to retrieve data, then Python (pandas, scipy, statsmodels, matplotlib) to analyze it.

Core Capabilities

  • Data Import: MaxQuant, Spectronaut, DIA-NN, Proteome Discoverer, FragPipe outputs
  • Quality Control: Missing value analysis, intensity distributions, sample clustering
  • Normalization: Median, quantile, TMM, VSN — choice depends on experimental design (see Interpretation Framework)
  • Imputation: MinProb (MNAR), KNN (MAR), QRILC for missing values
  • Differential Expression: Limma, DEP, MSstats for statistical testing
  • PTM Analysis: Phospho-site localization, PTM enrichment, kinase prediction
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Feb 19, 2026