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 GGAGGCAGAGGCAGGAGGA CCGTTTCTCTGCTTCTACTC TGTCCCGTTTCTCTGCTTCTACTCAGAAGTGCTCTGAGCATAGAACTGTCCTGTTTGAGCAGCACTGGGGAGGCAGAGGCAGGAGGAT 2 3 3' arm Mus_musculus mirbase 100 mmu-mir-3470b 0.0003 -34.5 .(((((.(.((((((((((..(((((...(((((.(((((..((....)).))))))))))...))))))))))))))).).).)))) (-34.50)