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 TTCGTTGTCGATGAAACCTTGA TGGGTTTCTTGATGACTGGGACC TGGGTTTCTTGATGACTGGGACCTTGACATTATATTAATATGGTTCGTTGTCGATGAAACCTTGA 5 3 3' arm Acyrthosiphon_pisum mirbase 100 100 -20.07 .(((((((((((..((..(((((..................)))))))..)))).)))))))... (-20.07)