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 CAGGGCTTGGATTGTGATCTC GATCATTATTCAAGCTCTCTA TCAGGGCTTGGATTGTGATCTCGTATATTTATGAGATCATTATTCAAGCTCTCTAAAT 2 0 5' arm Schmidtea_mediterranea mirbase 100 sme-mir-753d 3e-27 -29.8 ..(((((((((((.(((((((((((....))))))))))).)))))))))))...... (-29.80)