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 TCAGGTACCTGAAGTAGCGCGCG CGCGCTAATCAGTGACCAGGGCT GTCTCTTACCTTGCGCGCTAATCAGTGACCAGGGCTGAGTAATTTTATTCAATACAGTCAGGTACCTGAAGTAGCGCGCGTGGTTTTAGACCA 4 2 3' arm Drosophila_willistoni mirbase mir-275 5e-46 der-mir-275 5e-18 -37.9 ((((...(((.(((((((((.((((..(((..(((((.((...........)).))))).)))..))))..))))))))).)))...)))).. (-37.90)