Diagrams: Short section of DNA, 1951 -- Chemical structures of the DNA bases, 1951 -- Covalent bonds of the sugar-phosphate backbone -- Schematic view of a nucleotide -- Mg** ions binding phosphate ...
The knot-like i-motif structure protruding from DNA’s double helix has been mapped in 50,000 locations in the human genome, concentrated in key functional areas including regions that control gene ...