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Polyglutamic acid is a polypeptide chain made only of glutamic acid residues. It turns out that this polypeptide has a a-helix structure at pH6.0 Suggest a reason for this effect.

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Step-by-step explanation:

As, due to the change in attractions between the side groups . As the pH is increased , the NH₃⁺ ion gets converted to NH₂ and hence the ionic interactions between neighboring molecules is changed . This results in unraveling of the alpha helix and results in a random structure . This is called denaturing of the protein chain .

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