This NCBI BLAST2 service is maintained by the Swiss Institute of Bioinformatics.
Click on the
icons to access the online BLAST help.
Enter a Swiss-Prot/TrEMBL accession number or a PROTEIN sequence in RAW format.
Taxonomic groups (not available for PDB and translated EST):
For a more 'advanced' BLAST2 search (with more options and programs, and a larger variety of databases) please use the
original submission form at EMBnet-CH (Lausanne).