Select a BLAST program and enter your sequence in the text area below. blastn (DNA vs DNA) tblastn (protein vs transl. DNA) tblastx (transl. DNA vs transl. DNA) Program MegaBlast:
Enter an accession, gi, or a sequence in FASTA format
[About FASTA]
The query sequence is filtered for low complexity regions by default. View results in a separate window. Perform ungapped alignment
Advanced options for the BLAST server:
PAM30 9 1 0.87 PAM70 10 1 0.87 BLOSUM80 10 1 0.87 BLOSUM62 11 1 0.85 default BLOSUM45 14 2 0.87 --------------------------------------------------------- PAM30 7 2 0.90 PAM30 6 2 0.86 PAM30 5 2 0.77 PAM30 10 1 0.91 PAM30 9 1 0.87 recommended PAM30 8 1 0.79 --------------------------------------------------------- PAM70 8 2 0.91 PAM70 7 2 0.86 PAM70 6 2 0.80 PAM70 11 1 0.92 PAM70 10 1 0.87 recommended PAM70 9 1 0.80 --------------------------------------------------------- BLOSUM80 8 2 0.90 BLOSUM80 7 2 0.86 BLOSUM80 6 2 0.79 BLOSUM80 11 1 0.92 BLOSUM80 10 1 0.87 recommended BLOSUM80 9 1 0.81 BLOSUM80 20 3 1.00 BLOSUM80 25 2 1.00 --------------------------------------------------------- BLOSUM62 9 2 0.90 BLOSUM62 8 2 0.83 BLOSUM62 7 2 0.77 BLOSUM62 12 1 0.88 BLOSUM62 11 1 0.85 recommended BLOSUM62 10 1 0.79 BLOSUM62 20 3 1.00 BLOSUM62 25 2 1.00 --------------------------------------------------------- BLOSUM45 13 3 0.91 BLOSUM45 12 3 0.89 BLOSUM45 11 3 0.84 BLOSUM45 10 3 0.79 BLOSUM45 15 2 0.90 BLOSUM45 14 2 0.87 recommended BLOSUM45 13 2 0.83 BLOSUM45 12 2 0.77 BLOSUM45 19 1 0.91 BLOSUM45 18 1 0.88 BLOSUM45 17 1 0.85 BLOSUM45 16 1 0.80 ---------------------------------------------------------
Other advanced options:
NCBI-gi Graphical Overview Alignment view Pairwise query-anchored with identities query-anchored without identities flat query-anchored with identities flat query-anchored without identities Get ASN.1 for SeqAnnot Get ASN.1 for the Blast Object HTML Plain text ASN.1 XML Descriptions 0 10 50 100 250 500 Alignments 0 10 50 100 250 500
The BLAST server may be very busy during the weekday, resulting in delays for users. The email option allows a user to receive the results quickly in a convenient form.
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Revised: July 01, 2003
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