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 TCTGAATTGTAAGAGTTGTTA AGAACTCTTGCAGTCTTAGATG CTGAATATAAGAACTCTTGCAGTCTTAGATGTTATAAAAATATATATCTGAATTGTAAGAGTTGTTAGCACAAG 1 1 3' arm Homo_sapiens mirbase 100 hsa-mir-4680 1e-36 -23.4 .......(((.((((((((((((.((((((((.(((....))))))))))))))))))))))).)))....... (-23.40)