Choose program to use and database to search:

Program Database

Enter sequence below in FASTA format

Or load it from disk


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)

Other advanced options:     


Graphical Overview    Alignment view
Descriptions    Alignments


Comments and suggestions to:< blast-help@ncbi.nlm.nih.gov >
Created by Sergei Shavirin
Last modified: Mon Mar 20 11:26:08 EST 2000