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 GAAGCTCGTCTCTACAGGTATCT CTACCCTGTAGATCCGGGCTTTTG GGCACATTCGTGATCTACCCTGTAGATCCGGGCTTTTGTAGAATTGTAAATATCAGAAGCTCGTCTCTACAGGTATCTTACGGATGACA 4 1 3' arm Apis_mellifera mirbase 100 nvi-mir-993 4e-43 -37.86 ....(((((((((..((((.((((((..((((((((((...............))))))))))..))))))))))..)))))))))... (-37.86)