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 CGGAAAACTCGCACCGTGATAT TTCACTGCGACTGTTCCCAT TTGCTTTTGGATGTTAACATCGGAAAACTCGCACCGTGATATTGTCAACTTCACAATTTCACTGCGACTGTTCCCATGTTACTTCCAGTTTTCGGCA 5 2 5' arm Schmidtea_mediterranea mirbase 100 sme-mir-2147d 3e-50 -31.8 .((((.(((((.((.(((((.((((...(((((..((((.(((((.......))))).)))))))))...)))).))))))).))))).....)))) (-31.80)