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 TCTCGTTATATCTGACGTCGGGGAA CTCCAGCGTAGATACTCGATGCG TCTCGTTATATCTGACGTCGGGGAATGGTATATATACCAGAACTCCAGCGTAGATACTCGATGCG 7 2 5' arm Acyrthosiphon_pisum mirbase 100 100 -21.7 ..(((...((((((.(((.((((..(((((....)))))...)))).)))))))))..))).... (-21.70)