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Temporal evolution of B-to-P DNA transition. (A–E) Snapshots from temporal evolution of B-to-P transition induced by overtwisting B-DNA with positive driving torque and 1,000 pN tension. For comparison, we present a model of P-RNA in frame (F), produced by a similar driving simulation on A-RNA. Backbone for DNA is in gold with blue bases and RNA has a blue backbone with red bases.
