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 TGGCTCAGTTCAGCAGGAACAG GTGCCTACTGAGCTGATATCAGT GGACTGACCCTCCAGTGCCTACTGAGCTGATATCAGTTCTCGTTGACCCACTGGCTCAGTTCAGCAGGAACAGGAGTGCGGCCC 4 1 3' arm Ornithorhynchus_anatinus mirbase mir-24 3e-19 hsa-mir-3074 2e-20 -33.2 ((.(((.(.((((.((.(((.(((((((((..(((((((.....))...))))).))))))))).))).)).)))).)))))). (-33.20)