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 GTGCATTGTAGTTGCATTGCAC GCAATGCTTCGGCAGTGCAACT ACACACTGGGGGTAGCCCGTGTGCATTGTAGTTGCATTGCACGTTGTCAATTCTTTGTTTCGCGCAATGCTTCGGCAGTGCAACTCGGGATGCCAACCGCT 6 0 5' arm Daphnia_pulex mirbase mir-33 0.000005 oan-mir-33b 0.0000003 -42.8 .......((.((((.((((..((((((((....(((((((.((....(((....)))...)).)))))))....))))))))...)))).))))..))... (-42.80)