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Updated: Jan 27, 2026
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Published on: July 13, 2016
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An enhanced workflow for variant interpretation in UniProtKB/Swiss-Prot improves consistency and reuse in ClinVar
M L Famiglietti1, A Estreicher1, L Breuza1
1Swiss-Prot Group, SIB Swiss Institute of Bioinformatics, CMU, Geneva 4, Switzerland.
Summary
Integrating UniProtKB/Swiss-Prot and ClinVar enhances genomic medicine by harmonizing variant interpretations. This collaboration improves the accuracy and utility of genetic variant data for personalized patient care.
Area of Science:
- Genomic Medicine
- Bioinformatics
- Clinical Genetics
Background:
- Personalized genomic medicine requires integrated genetic and phenotypic data with functional variant knowledge.
- UniProtKB/Swiss-Prot and ClinVar are key resources for variant information, but integration challenges exist.
Purpose of the Study:
- To pilot the integration of curated protein sequence variation data from UniProtKB/Swiss-Prot with ClinVar.
- To assess the concordance of variant interpretations between the two resources and improve agreement.
Main Methods:
- Comparative analysis of variant interpretations between UniProtKB/Swiss-Prot and ClinVar.
- Re-curation of a subset of variants using American College of Medical Genetics and Genomics (ACMG) guidelines and ClinGen tools.
- Incorporation of ACMG guidelines and ClinGen tools into the UniProtKB curation workflow.
Main Results:
- High concordance (88%) was observed for variant interpretations common to UniProtKB/Swiss-Prot and ClinVar.
- Re-curation, particularly using population frequency data, increased agreement by reclassifying variants.
- UniProtKB now routinely submits data to ClinVar and uses ACMG guidelines in its workflow.
Conclusions:
- Integration of UniProtKB/Swiss-Prot and ClinVar data enhances the reliability of variant interpretations.
- Standardized curation workflows improve data usability and facilitate ongoing re-evaluation of clinical significance.
- These efforts support the advancement of personalized genomic medicine.
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