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 TGCTGCTAGATGGTGAATC TCCCCATCAACCAGCAAT AAAACACTTTTGTATTTGCTGCTAGATGGTGAATCAAAACCGTTTGGGTCTTGGTCCCCATCAACCAGCAATTTTCAAGTGTTTATC 4 1 5' arm Schmidtea_mediterranea mirbase 100 sme-mir-133b 3e-44 -29.6 .((((((((......((((((...(((((.(.(((((.(((.....))).))))).))))))...)))))).....))))))))... (-29.60)