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 ATGAGCAAATTATCAATTGACT TCAATTGATAATGGGCCCCAGCC GTTCTCGGCTCGTGTCGCAGTCAATTGATAATGGGCCCCAGCCATTCCAGGCGAATGATGAGCAAATTATCAATTGACTTTCCATGGCCATTGTCATCT 4 1 3' arm Schmidtea_mediterranea mirbase 100 100 -34.5 ......(((.((((..(.((((((((((((((..((..((..(((((.....))))).)).))..)))))))))))))))..))))))).......... (-34.50)