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(A) C7•G13 pairs in the preinsertion binary (silver) and insertion ternary (color) complexes.
(B) C7•G13 pairs in the insertion ternary (color) and postinsertion binary (beige) complexes.
(C) C7•G13 pairs in the preinsertion binary (silver) and postinsertion binary (beige) complexes.
