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 GGCATCGGGGGCGTAACGCCCCT GGTGCGGCTGCTCCATTGAGCCGC AGGCATCGGGGGCGTAACGCCCCTCGACCTATTCTCAAACTTTAAATAGGTAAGAGGGTGCGGCTGCTCCATTGAGCCGC 3 5 5' arm Pinus_taeda pmrd 100 pta-MIR1310 4e-40 -35.9 .(((.((.((((((...((((((((.(((((((...........)))))))..))))).)))..))))))...))))).. (-35.90)