The IMGT BLAST Search uses the BLAST programs from the NCBI

Select a program and a database to search in.

Enter sequence(s) below in FASTA format:

or upload from the file

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