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 TGGAGATCCAGTGCTCGCCCGAT GAGGCGGGCCTGGAGGTGCACC GACACGCAAGACGAGGCGGGCCTGGAGGTGCACCAGTTCTGGCCGCTGGTGGAGATCCAGTGCTCGCCCGATCTCAAGTTC 4 2 3' arm Homo_sapiens mirbase 100 100 -39.5 ...((...(((((.((((((((((((..(.(((((((.......))))))).)..))))).))))))))).)))...)).. (-39.50)