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 AACTGTGTCTTTTCTGAATAGA TATTCAGAGAGATAACAGTCAC TGCAGTACAATATTCAGAGAGATAACAGTCACATCTTTTCTAAAGTAACTGTGTCTTTTCTGAATAGAGTAATGTTCA 3 2 3' arm Mus_musculus mirbase mir-883 0.000000000000001 rno-mir-881 2e-17 -22.8 .(((.(((..((((((((((((((.((((.((............)).)))))))).))))))))))..))).)))... (-22.80)