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 ATCCCACCTCTGCCACCA GGGTCAGAGGGAGTGCC CTTTCCAGCTCATCCCACCTCTGCCACCAAAACACTTCTCACGGGGTCAGAGGGAGTGCCAAAAAGGTAA 7 2 5' arm Pongo_pygmaeus mirbase 100 hsa-mir-1260 4e-24 -17.34 .................((((((((.((..............)))).))))))...((((.....)))). (-17.34)