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 TATTGCACATTCACCAGCCTGA CGGACGGTATCTGCGTCAATATT TAGATAGTTTTTCGGACGGTATCTGCGTCAATATTTCCTTGTTAGAATATATTGCACATTCACCAGCCTGAAAATATCAA 7 1 3' arm Drosophila_erecta mirbase 100 der-mir-311a 9e-38 -15.9 ..((((.(((((.((..(((...((.(.(((((((((.......))).))))))).))...)))..)).))))))))).. (-15.90)