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 TTCGTTGTTTATGAATGAGAGA TCATTCTTAAACAATGAATA GATAAACATTTTTCATTCTTAAACAATGAATAGTTTTTCCATGACAAAGTATTCGTTGTTTATGAATGAGAGAAATGTTAGCATTT 1 2 3' arm Schmidtea_mediterranea mirbase 100 100 -27.9 ....((((((((((((((.(((((((((((((.(((.((...)).))).))))))))))))).))))))..))))))))....... (-27.90)