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 CGCTATCCATCCTGAGTTTC AGCTCAGGAGGGATAGCACC AAGCTCAGGAGGGATAGCACCATGGAGAGACTATACTATCTTCATGAGCTTAAAACTGCGATCCGTTGCGCTATCCATCCTGAGTTTC 3 0 3' arm Nicotiana_tabacum micropc MIR390 0.00002 mtr-MIR390 0.000004 -38 ((((((((((.(((((((..((((((((..........)))))))).((........))..........))))))).)))))))))). (-38.00)