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 TGAGTTCGAGGCCAGCCTGCTCA AGTTCTAGGGCAGCCAGGAACACACA TAGAGGCAGGCAGATCTCTGTGAGTTCGAGGCCAGCCTGCTCAACAGAATGAGTTCTAGGGCAGCCAGGAACACACAGAGAAACCCTGTCTCAAGAAGGTAAAAAGTAAAAAAAAAAAAAAAA 4 5 5' arm Mus_musculus mirbase 7SK 0.000007 mmu-mir-3470a 0.00002 -46.8 ..((((((((....((((((((.((((..(((..(((((((((......)))))....)))).)))..)))).))))))))...))))))))............................... (-46.80)