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 TGAAACCGTCCAAAACTGAGGC CTTAGTTTTCGACGTGTTTTGGT TGTCCACAATAGACCTTAGTTTTCGACGTGTTTTGGTGTGCTGGGGAGTTCTATTCCGATTGAAACCGTCCAAAACTGAGGCCAACTGTGAGGCGC 4 1 3' arm Drosophila_melanogaster mirbase 100 dme-mir-957 1e-49 -33.3 .(((((((...(.((((((((((.((((.((((..((......((((......)))).))..)))))))).)))))))))).)...)))).))).. (-33.30)