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 GTTGCGGACAGCGCTAGGTCGG AGCCTGGCCCTGAGTCTCCGACCC GCAGGCAGCCGGTCCAGCCTGGCCCTGAGTCTCCGACCCCATTAACTCTCGGGTTGCGGACAGCGCTAGGTCGGCCCTGCTCCCCAGCAA 3 2 3' arm Mus_musculus mirbase 100 100 -39.5 ((.((.(((.((.((.(((((((.((..((((.((((((...........)))))).)))))).))))))).)).)).))).))..)).. (-39.50)