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Interpretation: The amino acid on a protein strand undergoes hydrophobic interactions with each phenylalanine amino acid that is 26 amino acid units away. The following fold in the protein is an example of which kind of structure (primary, secondary, tertiory, or quatemary)?
Concept Introduction:
A phenylalanine amino acid on a protein strand undergoes hydrophobic interactions with another phenylalanine amino acid that is 26 amino acid units away. The resulting fold in the protein is an example of tertiary structure because tertiary structure refers to the large-scale twists and folds of globular proteins. These are maintained by interactions between the R groups of amino acids that are separated by long distances in the chain sequence.
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