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
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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
The polypeptide subunits forming a quaternary structure can be identical or different.
From Textbooks ● Jun. 19, 2013
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