Skip Header

You are using a version of browser that may not display all the features of this website. Please consider upgrading your browser.
(max 400 entries)x

Your basket is currently empty.

Select item(s) and click on "Add to basket" to create your own collection here
(400 entries max)

Welcome to the new UniProt website! We hope you enjoy the new design. If you’re not quite ready yet, you can still go back to the old site.

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.


  • K like Koagulation | Change of the cross-reference ArrayExpress to ExpressionAtlas
    UniProt release 2014_10

  • Small is beautiful (and useful) | Evidences in the UniProtKB flat file format
    UniProt release 2014_09

  • Ubiquitin caught at its own game | New human variant types available on the FTP site
    UniProt release 2014_08

  • Lark or owl? PER3 is the answer | Cross-references to CCDS and GeneReviews | UniParc cross-references with protein and gene names | FTP ...
    UniProt release 2014_07

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

  • Upload lists
    This tool merges the "Retrieve" and "ID Mapping" tools

UniProt data

Protein spotlight

moving forward

Nature's imagination seems endless, and so is Man's. For as long as humans have existed, they have twisted Nature to meet their own needs. Wood has been used to keep them warm. Whale oil has been used to make light. Water has been harnessed to make electricity. And when the era of bio-engineering developed, it was not long before scientists found ways to tinker with an organism's genome for the benefits of mankind…