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 CATCTCCAGCTGCTTGAGCGG GCTCAAGCAGCTGCAGATCCA AGCGAATCCAGCATCTCCAGCTGCTTGAGCGGCGGCAGGGATGGCTCCAGTTGCTCGAGGAGCGGCGGCTGCTCAAGCAGCTGCAGATCCATTGGATTT CTCCTACCCAAAATGCATTAATAATTTGAAAGTTTGAAAAAATTCCCATTATGCCAAGCTATTCATACACACACGCACAGCACTTCTGACTCCTCCTTCTCACTCTTAGCGGCATAGGAGCTCCAGCAACGCAGCAGCAGCAGATCCAGTGTATCCAGCAGTGGATCGAGCTCCACCAGCAGCAGCAGCGAATCCAGCATCTCCAGCTGCTTGAGCGGCGGCAGGGATGGCTCCAGTTGCTCGAGGAGCGGCGGCTGCTCAAGCAGCTGCAGATCCATTGGATTTTTTAGTGCAAGCAGCTGCAGAAGCGGCAGCTGTGGGAGCTGCTGTGGGAGCCGCAGCTGGAGCGGGAGCAGGAGCGGCTGCGGGAGCTGGAGCGGCGGCTTCGGGAGCTGGAGCGGCGGTTGCTGGAGCAGCGGCTGCGGCTGCTGGAGCAGCGGCTGCGGCTTATGGAGCAGCGGCTGCGGCTGCTGGAGCGGCGGCTGGAGCAGCTC 2 0 5' arm Populus_trichocarpa mirnest 100 100 -49.7 ...((((((((.((((.((((((((((((((((....(((.....))).(((((((...))))))).)))))))))))))))).))))...)))))))) (-49.7)