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Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This
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.
Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.
Encyclopædia Britannica, Inc.
secondary structure

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American Heritage Dictionary - Cite This Source - Share This
secondary structure  
n.  
  1. The protein structure characterized by folding of the peptide chain into an alpha helix, beta sheet, or random coil.
  2. The folded, helical structure of double-stranded DNA.

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The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
The American Heritage Science Dictionary - Cite This Source - Share This
secondary structure  
  1. The protein structure characterized by folding of the peptide chain into an alpha helix, beta sheet, or random coil. See also primary structure, quaternary structure, tertiary structure.
  2. The folded, helical structure of double-stranded DNA.

The American Heritage® Science Dictionary
Copyright © 2002 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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