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 GTAGGCCGGCGGAAACTACTAG AGTTGTTTCAACCGGTCTTCAGCGA AGTTGTTTCAACCGGTCTTCAGCGACTATAAAACAATGTTTGTAGGCCGGCGGAAACTACTAG 5 3 3' arm Acyrthosiphon_pisum mirbase 100 ame-mir-2796 0.00001 -22.1 (((.(((((..(((((((...((((.(((......))).)))))))))))..))))).))).. (-22.10)