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 AGGGAAAAAAAAAAGGATTTGTC AAATCCTTTTTGTTTTTCCAG AGGGAAAAAAAAAAGGATTTGTCTTGTAGCCAGGATATTGTTTTAAAGAAAATCCTTTTTGTTTTTCCAG 2 1 5' arm Homo_sapiens mirbase Flavo-1 0.0009 hsa-mir-4668 6e-26 -21.7 .(((((((.(((((((((((.((((.....(((....))).....))))))))))))))).))))))).. (-21.70)