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 TGCCAAGGGAGATTTGCCCTG GGGTAATTACTCCTTGGGCAGT GGGTAATTACTCCTTGGGCAGTGGATCGGTCATCGTTTCTACTGCCAAGGGAGATTTGCCCTG 5 1 3' arm Lactuca_sativa micropc 100 100 -33.9 ((((((...((((((.(((((((((.((.....))..))))))))).))))))..)))))).. (-33.90)