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 CCAGCTGCCAGCAGCGAGCGG GCACTCTGCTGGCAGCGCTGTCG TCGTTGTATTTTACGCACTCTGCTGGCAGCGCTGTCGGCGTCGCTGCCAGCTGCCAGCAGCGAGCGGTACACTTGCAACTATCC 4 2 3' arm Drosophila_melanogaster mirbase 100 dme-mir-4957 2e-42 -38.7 ..((((((.....(((.(.(((((((((((..((.((((...)))).))))))))))))).).))).......))))))..... (-38.70)