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BLAST Search Form

Retrieve sequences similar to your query

1. Select a database:UniProtKB(or restricted by organism/taxon group)
2. Insert the query sequence below (FASTA format or sequence only)
     or enter ">" followed by a UniProtKB identifier:
Example: P53039 (annotated output)
PLEASE DO NOT repeat search within a short period without waiting for results.
Delays may be experienced due to heavy loads on our server or network traffic.

Query sequence should be in single letter amino acid code.

Note: The rapid growth of sequence information has BLAST on the PIR website unacceptably slow for some searches. We are sorry for the inconvenience and working to rectify the situation.

In the interim we recommend BLAST at our UniProt website.

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