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primary structure

Biochemistry. the basic sequence of amino acids in a polypeptide or protein.
the basic parts of an aircraft, damage to which would be dangerous. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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primary structure in Science
primary structure  
The linear sequence of amino acids in a protein. See also quaternary structure, secondary structure, tertiary structure.

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