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The mission of UniProt is to provide the scientific community with a comprehensive, high-quality and freely accessible resource of protein sequence and functional information.

Getting started

  • Text search
    Our basic text search allows you to search all the resources available

  • BLAST
    Find regions of similarity between your sequences

  • Sequence alignments
    Align two or more protein sequences using the Clustal Omega program

  • Retrieve/ID mapping
    This tool merges the "Retrieve" and "ID Mapping" tools

  • Peptide search
    Find sequences that exactly match a query peptide sequence

UniProt data

Protein spotlight

becoming one

There are different ways of producing progeny. In eukaryotes, the most widespread method is for two reproductive cells of the opposite sex to meet and fuse. This may sound straightforward but mating is never an easy affair. Not only must the two cells belong to the same species but they must also make sure that they belong to different mating-types…