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 TATTGCACTTGAGACGGCCGGA CGGTTCGTACCAGGAGCAATTCT GCTTCGGTTCGTACCAGGAGCAATTCTGCATTTTTAAGCTAGTATTGCACTTGAGACGGCCGGATT 4 1 3' arm Drosophila_erecta mirbase 100 der-mir-312-2 2e-25 -23.2 ..((((((.(((..((((.(((((.((((........)).)).))))).))))..))))))))).. (-23.20)