Referring to native duplex DNA structure in which there is further twisting or coiling of the double helix. SYN: supercoiling.

Medical dictionary. 2011.

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  • superhelicity — noun The condition of being superhelical …   Wiktionary

  • superhelicity — su·per·helicity …   English syllables

  • superhelicity — noun see superhelix …   Useful english dictionary

  • Type II topoisomerase — Type II topoisomerases cut both strands of the DNA helix simultaneously in order to change the linking number of the molecule. FunctionOnce cut, the ends of the DNA are separated, and a second DNA duplex is passed through the break. Following… …   Wikipedia

  • superhelix — superhelical /sooh peuhr hel i keuhl, hee li /, adj. superhelicity /sooh peuhr heuh lis i tee/, n. /sooh peuhr hee liks/, n., pl. superhelices / hel euh seez /, superhelixes. Biochem. a coil formed by intertwined helical DNA or by protein chains …   Universalium

  • superhelical — adjective Of or pertaining to a superhelix, the shape formed by a helix twisted into a helix See Also: superhelicity, superhelically …   Wiktionary

  • supercoiling — SYN: superhelicity …   Medical dictionary

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