Logan Search

Paste a DNA sequence and find the SRA runs it occurs in. How it works

Tens of millions of SRA runs to the end of 2023 · 109 indexes · Results usually in minutes

Query sequence

500 bases. FASTA; headers are ignored.

Replaces the text above. One record, read in your browser.
Examples
P. falciparum 18S
M. tuberculosis rpoB
Klebsiella blaKPC-2
Mpox F13L
Aedes aegypti COI
Threshold

Minimum shared k-mer fraction: 0.50

Lower values return more accessions and take longer to aggregate.
Indexes

Each index is one organism group by one library type. Pick a scope, or open Custom to choose index by index.

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