Question

what is Alpha helix?
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Answer 1

Answer:

Explanation:

The alpha helix is a rod-like structure whose inner section is formed by a tightly coiled main chain, with its side chains extending outward in a helical array. The alpha helix structure takes advantage of the hydrogen bond between CO and NH groups of the main chain to stabilize. The CO group of each amino acid forms a hydrogen bond with the NH group of amino acid four residues earlier in the sequence. Therefore, in an alpha helix, all main-chain CO and NH groups are hydrogen bonded except in those amino acids close to the end of the helix.

Answer 2

Answer:

The alpha helix is a common motif in the secondary structure of proteins and is a right hand-helix conformation in which every backbone N−H group hydrogen bonds to the backbone C=O group of the amino acid located three or four residues earlier along the protein sequence.

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