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 TAGCAGCACATCATGGTTTA AATCATTATTTGCTGCTCTA TAGCAGCACATCATGGTTTACATACTACAGTCAAGATGCGAATCATTATTTGCTGCTCTA 5 0 5' arm Canis_familiaris mirbase mir-15 1e-17 eca-mir-15b 2e-28 -19.1 .(((((((.((.((((((..(((.((.......)))))..)))))).)).)))))))... (-19.10)