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14.13 What are the common types of secondary structure of proteins?
Answers (1)
Secondary structures of proteins are found to exist in two types of structure:-
(i) Helix structure:- α-Helix is a way in which a polypeptide chain forms all possible hydrogen bonds by twisting into a right-handed screw or helix with the –NH group of each amino acid and residue hydrogen bonded to the of
an adjacent turn of the helix.
(ii) pleated sheet:- In this structure, all peptide chains are stretched out to maximum extension and then laid side by side which is held together by strong intermolecular hydrogen bonds.
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