quaternary structure
Americannoun
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The structure that is formed by the joining together of two or more proteins or nucleic acids. The functions of the proteins and nucleic acids are only expressed correctly when they are joined together.
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See also primary structure secondary structure tertiary structure
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
When two or more polypeptides combine to form the complete protein structure, the configuration is known as the quaternary structure of a protein.
From Textbooks ● Jun. 9, 2022
Prions appear to have a more complex quaternary structure.
From Nature ● Nov. 8, 2016
The systematic production of high-titre prions from rPrP therefore probably requires a detailed knowledge of the quaternary structure of authentic ex vivo prions.
From Nature ● Nov. 8, 2016
The polypeptide subunits forming a quaternary structure can be identical or different.
From Textbooks ● Jun. 19, 2013
In nature, some proteins are formed from several polypeptides, also known as subunits, and the interaction of these subunits forms the quaternary structure.
From Textbooks ● Apr. 25, 2013
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Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
