When the helix axis of a closed circular duplex DNA of 2310 bp is constrained to lie
Question:
When the helix axis of a closed circular duplex DNA of 2310 bp is constrained to lie in a plane, the DNA has a twist (T) of 207. When released, the DNA takes up its normal twist of 10.5 bp per turn. Indicate the values of the linking number (L), writhing number (W), and twist for both the constrained and unconstrained conformational states of this DNA circle. What is the superhelix density, σ = W/T, of both the constrained and unconstrained DNA circles?
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L T W For the constrained DNA circle W 0 so that L T 207 For the unco...View the full answer
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