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 CGCGCTAATCAGTGACCGGGGCT AAGTCTCCTACCTTGCGCGCTAATCAGTGACCGGGGCTGGTTTTTTATATACAGTCAGGTACCTGAAGTAGCGCGCGTGGTGGCAGACAT 4 2 3' arm Drosophila_simulans mirbase mir-275 8e-42 dme-mir-275 4e-46 -46.4 ..((((.(((((.(((((((((.((((..(((..(((((............))))).)))..))))..))))))))).))))).)))).. (-46.40)