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quaternary structure
noun
the basic structural relationship of the components of a polypeptide, specifically, the type, number, and sequence of amino acids and nucleotides in the chain.
quaternary structure
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.
See also primary structure secondary structure tertiary structure
Example Sentences
SWISS-MODEL: modelling protein tertiary and quaternary structure using evolutionary information.
The systematic production of high-titre prions from rPrP therefore probably requires a detailed knowledge of the quaternary structure of authentic ex vivo prions.
Prions appear to have a more complex quaternary structure.
As found previously, a human antibody specific for the related West Nile virus binds to a similar quaternary structure, suggesting that this could be an immunodominant epitope.
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