Usage: Choose the the suitable BLAST program and database for your query sequence. Paste your sequence in one of the supported formats into the sequence field below and press the "Run BLAST" button. Don't forget your e-mail address, so that we can send you the results in case of traffic jam...

Make sure that the format button (next to the sequence field) shows the correct format .

See also our BLAST database description.

Please select the program:

blastp blastn blastx tblastn tblastx Program

DNA databases

Please select All EMBL (without RNA, WGS, HTG and ESTs) EMBL RNAs only HTC WGS HTG dbEST dbSTS C.elegans genome S.cerevisiae genome 16S ribosomal RNAs Unigene Human Unigene Mouse Unigene Rat Radiation Hybrid repetitive elements simple repeats

Protein databases

Gapped alignment on/off

blosum45 blosum50 blosum62 blosum80 blosum90 pam30 pam70 pam250 Select matrix

BLAST filter on/off

Plain Text SwissProt ID or AC TrEMBL ID GenPept gi RefSeq AC EMBL ID or AC EST ID or AC Yeast ORF Select format

Graphic output on/off

Query title (option)

Paste your sequence here:
(or ID or accession number)

E-mail address HTML