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 AACATTCATTGCTGTCGGTG CTGATCAATGAATGCAAA AACATTCATTGCTGTCGGTGGGTTTGAGTCTGAATCAACTCACTGATCAATGAATGCAAA 2 2 5' arm Canis_familiaris mirbase mir-181 0.00001 eca-mir-181b 2e-28 -24.5 ..(((((((((..(((((((((((.((.......)))))))))))))))))))))).... (-24.50)