SINCE 1828
beta-sheet
noun
be·ta-sheet
| \ -ˌshēt
\
\
Medical Definition of beta-sheet
: 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-helixComments on beta-sheet
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