Choose how you want to search

Five ways to find isomiRs in athisomiRDB — pick the one that matches what you already know.

Search by Keyword / Identifier

miRNA name, isomiR ID, gene ID, or SRA accession

Search by Genomic Location

Chromosome and start/end coordinates

Search by Source Hairpin

Precursor miRNA hairpin (miRBase ID)

Search by IsomiR Sequence

Sequence similarity search via BLAST


Or upload your sequence file:


Search IsomiR Variant

SNP-containing isomiRs by source hairpin