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 CAGTCAATTTGGTTGTGAAACCT GTATCACAGCCATTTTGACGAGT TGCCCTATCAGTCAATTTGGTTGTGAAACCTAGTATTTATTCGGGTATCACAGCCATTTTGACGAGTTTGGTTG 6 0 5' arm Tribolium_castaneum mirbase mir-2 8e-32 tca-mir-13b 1e-36 -29.6 .(((..((..(((((..(((((((((.(((..(.......)..))).)))))))))..)))))..))..))).. (-29.60)