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 TAGCAGCACATCATGGTTTACA CGAATCATTATTTGCTGCTCTA CTGTAGCAGCACATCATGGTTTACATACTACAGTCAAGATGCGAATCATTATTTGCTGCTCTAG 5 0 5' arm Equus_caballus mirbase mir-15 6e-20 age-mir-15b 9e-31 -20.7 (((.(((((((.((.((((((..(((.((.......)))))..)))))).)).))))))).))) (-20.70)