Essential Biochemistry - Chemistry Of Proteins (Section 4 - No. 30)
What is the quaternary structure of a protein?
The sequence of amino acids
The folding of the polypeptide chain into alpha-helices and beta-sheets
The three-dimensional arrangement of a single polypeptide chain
The arrangement of multiple polypeptide chains in a protein complex
Explanation
Quaternary structure involves the interaction and arrangement of multiple polypeptide chains (subunits).
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