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Medical Dictionary

beta–sheet

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noun be·ta–sheet \-ˌshēt\

Medical Definition of beta–sheet

  1. :  the structural arrangement of many proteins in which two or more short regions of the polypeptide chain align adjacently and are stabilized by hydrogen bonds into sheets with a pleated or accordionlike appearance—called also beta-pleated sheet; compare alpha-helix




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to proceed clumsily or ineffectually

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