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
  Batch search with UniProt IDs or convert them to another type of database ID (or vice versa)

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

UniProt data

• Download latest release
  Get the UniProt data

• Statistics
  View Swiss-Prot and TrEMBL statistics

• How to cite us
  The UniProt Consortium

• Submit your data
  Submit your sequences and annotation updates

• Programmatic access
  Query UniProt data using APIs providing REST, SPARQL and Java services

Protein spotlight

dark horse

There are many proteins crouching in the recesses of databanks whose role in vivo eludes researchers. Despite similarities of all kinds they may share with other proteins, they seem to have been designed for another purpose. A few of them may even have an unexpected function in an organism that does not synthesize them at all - much in the way a pair of scissors can be used to hammer a nail into the wall…