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Howard Hughes Medical Institute Physicists Measure Torque of DNA "Coils" for First Time


7/9/2013 7:05:58 AM

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Like an impossibly twisted telephone cord, DNA, the molecule that encodes genetic information, also often finds itself twisted into coils. This twisting, called supercoiling, is caused by enzymes that travel along DNA’s helical groove and exert force and torque as they move.

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