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random coil

American

noun

plural

random coils

Biochemistry. a polymer chain whose segments are bonded to adjacent units but have random orientations.

random coil Scientific

A sequence of amino acids that has neither alpha-helical nor beta-sheet structure. Proteins consisting of alpha helixes or beta sheets are reduced to random coils upon denaturing.
Compare alpha helix beta sheet

Example Sentences

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It also highlights that in the case of materials that are prone to supramolecular polymorphism, such as the toroid and random coil, it is essential to purify the assemblies before analyzing their photophysical properties.

From Science Daily • Feb. 13, 2024

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023