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DNA

α-Helix is a ...

Question

$α -$ Helix is a secondary structure of proteins formed by twisting of polypeptide chain into right-handed screw-like structures. Which type of interactions are responsible for making the $α -$ helix structure stable?

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Solution

$α -$ Helix is one of the most common ways in which a polypeptide chain forms all possible hydrogen bonds by twisting into a right-handed screw (helix) like structure with the $- N H$ group of each amino acid residue hydrogen bonded to the $C = 0$ of an adjacent turn of the helix. It is one of the secondary structure of protein.

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