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 CTCGGTGGAAGACCTTCCCTT CGGACCGTCGGTCTATAGAGCA AACAACAACATTCGGACCGTCGGTCTATAGAGCAATATCACCCGCTCGGTGGAAGACCTTCCCTTCGTCGTTATC 7 1 3' arm Bombyx_mori mirbase mir-2774 8e-26 bmo-mir-2774a-2 1e-21 -18.3 ...(((.((....(((..(((..(((((.((((..........)))).))))).)))..)))....)).)))... (-18.30)