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 TTCGGTGATAGTAACCCGTTGAGT TCAGTGGGTCGCGATTCCAATCCGATAG TAAGTATGTGTTTCATTATAAATTTCGGTGATAGTAACCCGTTGAGTTTCTCGCCGGATATTCTCAGTGGGTCGCGATTCCAATCCGATAGTAAATTCTGCG 7 4 5' arm Bombyx_mori mirbase U2 0.0000000004 bmo-mir-2808a-1 0.000000000005 -22.2 ...(((.(.((((.((((......((((.((..(..((((((((((..(.((....)).)..))))))))))..)...))....)))))))))))).)))). (-22.20)