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 ACCACTGGTGCGATCCTGCC CAGGCATAGCTAAGTGGTTA CAGGGCAGGCATAGCTAAGTGGTTACTTCTCACTGGAAAATGGATTTCTAATCATTTGACCACTGGTGCGATCCTGCCTTTTAC 3 2 3' arm Schmidtea_mediterranea mirbase 100 sme-mir-2206 2e-42 -28.54 .((((((((.((.((..((((((((........((((((.....))))))......))))))))...)).)))))))))).... (-28.54)