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 CTGAACAATGAATGCAAC AACATTCATTGCTGTCGGTGGGTTGAACTGTGTGGACAAGCTCACTGAACAATGAATGCAAC 3 2 5' arm Canis_familiaris mirbase mir-181 0.000003 lla-mir-181b 1e-29 -23.8 ..(((((((((...((((((((((...((....))...)))))))))).))))))))).... (-23.80)