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 GAAAATATCATGAATACGACAAT TTAGTATACGTGATATTTTAGG AGCTGCTCCGAAAATATCATGAATACGACAATTATGTGCACATCATTTAGTATACGTGATATTTTAGGAGCAGCTA 4 1 5' arm Drosophila_melanogaster mirbase 100 dme-mir-2283 8e-38 -34.9 (((((((((.(((((((((((.((((...(((.(((....))).)))..)))).))))))))))).))))))))). (-34.90)