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 TCACCGGGTAGACATTCATT GATTGTCCAACTGGTTTGGTG AATTTCAACATAAATTAGCGATGATTGTCCAACTGGTTTGGTGTCGAGTTGAAAAATGCATCACCGGGTAGACATTCATTCTCTAAATTTATCGTCAATCTC 5 2 3' arm Schmidtea_mediterranea mirbase 100 sme-mir-36a 0.00002 -23.6 .......(((((((((((.(((((.((((...(((((..(((((...(((....)))))))))))))...)))).))).)).)).))))))).))....... (-23.60)