Blast Search

blast help
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