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 TATCACAGCCACTTTGATGAGC CCGTCAAAATGGATGTGAAGTG CCGTCAAAATGGATGTGAAGTGGTTTTTTTTACTATTCATATCACAGCCACTTTGATGAGC 6 0 3' arm Acyrthosiphon_pisum mirbase mir-2 0.0000000000002 bmo-mir-13a 0.000003 -19.52 .(((((((.(((.(((((.((((.............)))).))))).))).)))))))... (-19.52)