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 CTAAGTACTAGTGCCGCAGGAG CCTGCTGCCCAAGTGCTTATTA ACCAAGTTCGCTTTCCTAAGTACTAGTGCCGCAGGAGTTAGGTTCGTGTCCGCAATACCTCCTGCTGCCCAAGTGCTTATTAAAGCGGCGAGT 4 0 5' arm Drosophila_melanogaster mirbase mir-252 1e-46 dme-mir-252 7e-48 -34.6 .....((.((((((..((((((((.(.((.(((((((....(((((....)).)))..))))))).)).).))))))))..)))))))).... (-34.60)