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

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:        Show Tax Blast reports

   NCBI-gi      Graphical Overview    Alignment view
Descriptions    Alignments Color schema

Comments and suggestions to:< blast-help@ncbi.nlm.nih.gov >
Created by Sergei Shavirin
Last modified: Wed Aug 9 15:09:21 EDT 2000