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 CTCCGGTGCCTACTGAGCTGATATCAGTTCTCATTTCACACACTGGCTCAGTTCAGCAGGAACAGGAG 4 1 3' arm Rattus_norvegicus mirbase mir-24 1e-24 mmu-mir-24-1 4e-33 -26.32 ((((.((.(((.(((((((((..(((((.............))))).))))))))).))).)).)))) (-26.32)