Essential maintenance is planned to begin on Fri Jan 24 2025. The website may be temporarily unavailable. Please use our fallback: https://wwwdev.ebi.ac.uk/uniprot/front-end/fallback/ in case of any outage.

BLAST

Find a protein sequence to run BLAST sequence similarity search by UniProt ID (e.g. P05067 or A4_HUMAN or UPI0000000001).
OR
Enter one or more sequences (5 max). You may also.
Advanced parameters
We'd like to inform you that we have updated our Privacy Notice to comply with Europe’s new General Data Protection Regulation (GDPR) that applies since 25 May 2018.
Help