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Stereoview of the base stacking of the adjacent base pairs (a) C1pA2·T11pG12, (b) A2pC3·G10pT11, (c) C3pA4·T9pG10, (d) A4pC5·G8pT9, (e) C5pG6·C7pG8 and (f) G6C1#·G12#C7 (where # denotes a symmetry-related base). G·C base pairs are red and A·T base pairs are blue.
