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secondary structure
noun
, Biochemistry.
- the arrangement of a polypeptide into a regular alpha helix, beta structure, or random coil configuration by the formation of intramolecular hydrogen bonds along the length of the chain.
secondary structure
- The protein structure characterized by folding of the peptide chain into an alpha helix, beta sheet, or random coil.
- See also primary structure
- The folded, helical structure of double-stranded DNA.
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