Echinobase will be undergoing a hardware update June 13 and 14, 2023 and therefore will be unavailable those days.

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Download BLAST databases

Alignment program
FASTA query sequence
Load query from file:


E value
Number of alignments
Word size Default = 11 for blastn, 3 for all others.
Gapped alignment Automatically set to False for sequences longer than 4500 bytes

BLAST time is limited to 30 seconds