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 TAAATGCACTATCTGGTACGACA CGTGTCAGGAGTGCATTTGCA TTGAAGGTTTTGGGCTGCGTGTCAGGAGTGCATTTGCACTGAAACTATCTGAAGCATGTAAATGCACTATCTGGTACGACATTCCAGAACGTACAATCTT 2 2 3' arm Drosophila_melanogaster mirbase mir-277 8e-36 dme-mir-277 5e-52 -40.3 (((.(.(((((((..(((((..((((((((((((((((.((...(.....)...)))))))))))))).))))..))).))..))))))).).))).... (-40.30)