Choose program to use and database to search:

Program
Database

Enter here your input data as
Or load it from disk

Please read about FASTA format description

Set subsequence: From To

The query sequence is filtered for low complexity regions by default.
Filter Low complexity Mask for lookup table only

Expect
Matrix
Perform ungapped alignment

Query Genetic Codes (blastx only)

Database Genetic Codes (tblast[nx] only)

Frame shift penalty for blastx

Limit search to results of Entrez query

Other advanced options: Show Tax Blast reports

NCBI-gi Graphical Overview Alignment view
Descriptions
Alignments
Color schema

Last modified: Jan 11, 2002