mature_miRNA miRNA* pre-miRNA EST_contig mismatches bulges arm species source_database RFAM_best_hit RFAM_lowest_evalue miRBase_best_hit miRBase_lowest_evalue folding_energy secondary_structure AACATTCATTGCTGTCGGTGGG CTCTGAACAATGAATGTAAC CATGTACGCACCTTCAGTTCTTCAAAGGTCATAATCAACATTCATTGCTGTCGGTGGGTTTAGTCTTGTAACAGCTCTCTGAACAATGAATGTAACTGTGGCCCAGATT 3 2 5' arm Danio_rerio mirbase mir-181 0.0000001 rno-mir-181b-1 0.00000000000002 -27.9 ..........................(((((((....((((((((((...((((.(((((..((......))))))).)))).))))))))))...)))))))...... (-27.90)