PSI-BLAST

Input

Paste input sequence/alignment
or upload a local file
Select input mode
 single FASTA sequence   alignment  
Select alignment format
 

Databases

Select databases
Standard
Upload database...
(press CTRL to select/deselect multiple databases)
Genomes
 

Search Options

Matrix
Number of iterations
 
E-value
 
E-value inclusion threshold
 
Filter for low complexity regions
Perform ungapped alignment
Compute Smith-Waterman alignment
Use nr70f for all but last iteration
Alignments and descriptions
 
Other advanced options
 
 

Job Options

Job-ID
 (leave empty for automatic creation)
Send notification to (optional)
 

 
Altschul, S., Madden, T., Schaffer, A., Zhang, J., Zhang, Z., Miller, W., and Lipman, D. (1997) Gapped BLAST and PSI-BLAST: a new generation of protein database search programs. Nucl. Acids Res., 25 (17), 3389-3402.