This NCBI BLAST2 service is maintained by the Swiss Institute of Bioinformatics.
Click on the
icons to access the online BLAST help.
You may want to try the new SIB BLAST+ Network Service...
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).