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DNA distortion in the (A) PspGI and (B) Ecl18kI structures. The bond thickness corresponds to the angular difference with respect to the regular B-DNA. Discrepancies >100° are marked (ν3 angle difference is not shown since it overlaps with δ). Color coding is consistent with Figure 2. Idealized B-DNA values used: α −30°, β 136°, γ 31°, δ 143°, ε −141°, ζ −161°, χ −98°, ν0 −33°, ν1 45°, ν2 −40° and ν4 6° (20).
