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 TAGGAACTTAATACCGTGCTCT AGCGAGGTATAGAGTTCCTACG AAAACCGAAGTCTTTTTACCATCAGCGAGGTATAGAGTTCCTACGTTCCTATATTCAGTCGTAGGAACTTAATACCGTGCTCTTGGAGGACTGTCGACC 4 0 3' arm Drosophila_melanogaster mirbase mir-276 4e-47 dme-mir-276b 2e-51 -39.5 .....(((((((((....(((..((((.(((((.(((((((((((...((......)).))))))))))).))))).))))..))))))))).)))... (-39.50)