Skip Header

You are using a version of browser that may not display all the features of this website. Please consider upgrading your browser.
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 2017_02
    Freshwater fish see red | Cross-references to Araport, TAIR and IMGT/Gene-DB | Removal of sequence similarity annotations for domains

  • UniProt release 2017_01
    Sheep in wolves' clothing | Change of the UniRef FASTA header

  • UniProt release 2016_11
    From mouth to gut, a new mechanism for fimbriae assembly | Change of URIs for Ensembl and Ensembl Genomes

  • UniProt release 2016_10
    N-acyl amino acids: a new treatment for obesity? | Cross-references to DisGeNET and OpenTargets | Change of the cross-references to Phos...

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

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

UniProt data

Protein spotlight

out of the ordinary

Life depends on chemical signals. Without them our heart wouldn't know how to beat or our thoughts how to form, our eyes would be unable to see, our legs unable to walk and our mouths would be incapable of speech…