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• 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

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  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

sting

Venom has a language of its own. The recurring message is not a nice one, and usually expresses one thing: back off. Certain animals use venom - a cocktail of molecules - to ward off predators or, at the very least, to divert oncoming danger. We all know what a wasp's sting is like and many of us may have felt the sting of a jellyfish, or perhaps even the bite of a snake. It is a painful experience…