NCBI BLAST

Choose program to use and database to search:

Program Database

Enter sequence below in FASTA format

Or load it from disk

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

Other advanced options:     

Graphical Overview    Alignment view
Descriptions    Alignments Color schema

Comments and suggestions to:< dsommer@umiacs.umd.edu >