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Welcome

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.

What we provide

UniProtKBProtein knowledgebase, consists of two sections:
  • Swiss-Prot, which is manually annotated and reviewed.
  • TrEMBL, which is automatically annotated and is not reviewed.
Includes Complete Proteome Sets.
UniRefSequence clusters, used to speed up similarity searches.
UniParcSequence archive, used to keep track of sequences and their identifiers.
Supporting dataLiterature citations, taxonomy, keywords and more.

News

UniProt release 15.11 – Nov 24, 2009

Why do we keep dubious sequences in UniProtKB? How to discard them from a protein set? ยท Cross-references to OrthoDB and PhylomeDB


Site tour

Learn how to make best use of the tools and data on this site.


Protein Spotlight

in like a shot
October 2009

Making use of a tubular structure to inject something into something else is a widespread practice. Doctors use syringes to inject medicine into patients. Mammals use their reproductive organ to supply their female counterparts with semen…