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 GTGAGCACGATGGCCACATTTATT TGAATTCCCGCCTGCCCACAG GTGAGCACGATGGCCACATTTATTGGGCAACCAATGAATTCCCGCCTGCCCACAG 4 5 5' arm Drosophila_melanogaster mirbase 100 100 -21.4 (((.(((....(((...(((((((((....)))))))))....)))))).))).. (-21.40)