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.
Some proteins, such as hemoglobin, are formed from several polypeptides, and the interactions of these subunits form the quaternary structure of proteins.
From Textbooks • Jun. 9, 2022
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
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
Prions appear to have a more complex quaternary structure.
From Nature • Nov. 8, 2016
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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