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 TAAGACAAACTTCACCCAGTGA ACTGAACAAAGTTTATCATATA ATTATAAGACAAACTTCACCCAGTGATGCTAAGGAATTTTCTTGATTTTTTGATTGCAAAACTGAACAAAGTTTATCATATAAT 8 0 5' arm Drosophila_willistoni mirbase mir-3 3e-41 dmo-mir-309 0.0000002 -18.1 ((((((.((.((((((....((((..((((((((((((.....)))))))))...)))..))))....)))))).)).)))))) (-18.10)