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 AACCGCTGCCTCCAGTGTCT CACTGGATGCAGAGGTTTA GGGAAGCACTGGATGCAGAGGTTTATCGATCGGTTCGTGTTGTTCGTGTAAAACAAAAAAATCTTCAGGAAAAGATCGATGAACCGCTGCCTCCAGTGTCTTCTC 2 1 3' arm Populus_trichocarpa pmrd MIR162_2 8e-33 ptc-MIR162c 2e-42 -51.9 (((((((((((((.((((.((((((((((((..(((.((...((..((.....))..))......)).)))..)))))))))))).)))).))))))).)))))) (-51.90)