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 TTTTGTATGAGACGCATTTCG AATGCGTCTAGTATCAAAATC CCATCAAATGCGTCTAGTATCAAAATCATGTAAAAACTGTAAAACAGATTTTGTATGAGACGCATTTCGATGA 2 1 3' arm Caenorhabditis_elegans mirbase lsy-6 3e-34 cbr-lsy-6 0.0002 -26.9 .((((((((((((((.(((.(((((((.(((............))))))))))))).)))))))))).)))). (-26.90)