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 AGGCTGGAGTGAGCGGAG CCACTGCACTCCAACCTGG GTGAGGCTGGAGTGAGCGGAGATCGTACCACTGCACTCCAACCTGGTGA 4 1 5' arm Homo_sapiens mirbase Metazoa_SRP 0.00000004 100 -19.1 .(.(((.(((((((((.((........)).)).))))))).))).)... (-19.10)