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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.


  • Forthcoming changes
    Planned changes for UniProt

  • UniProt release 2015_07
    Coding-non-coding RNAs: a game of hide-and-seek | Cross-references to ESTHER and Genevisible | Removal of the cross-references to Geneve...

  • UniProt release 2015_06
    POLQ, a new target for cancer therapy?

  • UniProt release 2015_05
    A never-ending race between evolution and genomic integrity | Removal of IPI species proteome data sets from FTP site | UniProtKB XSD ch...

  • UniProt release 2015_04
    Of CAT tails and protein translation by-products | Reducing redundancy in proteomes | Retirement of UniProt Metagenomic and Environmenta...

News archive

Getting started

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

    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

UniProt data

Protein spotlight

another shade of red

There is more to red than meets the eye. The colour has probably been around for as long as plants have, spreading red across stalks, leaves, fruits and flowers to seduce the incidental pollinator or ward off predators. Surprisingly, although Nature usually tends towards the most economical, in plants there are two ways of making red by using either of two biosynthetic pathways: the betalain one, or the anthocyanin one…