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 AAACATCCGGACTAAGTTTAT GAAATTAGGACGGAAATTAC TACTGAAATTAGGACGGAAATTACACCAATCTACCAACAACGTTAATTAGTAAACATCCGGACTAAGTTTATACCCAATC 6 1 3' arm Schmidtea_mediterranea mirbase 100 sme-mir-2204 4e-40 -11.7 ...((((.((((..((((..((((...(((..((.......))..))).))))...))))..)))).))))......... (-11.70)