Alpha helix
the rodlike spatial configuration of many protein molecules in which the polypeptide backbone is stabilized by hydrogen bonds between amino acids in successive helical turns.
noun
(biochem) a helical conformation of a polypeptide chain, found abundantly in the structure of proteins
alpha helix n.
The helical form, turned in a right-handed direction, of many proteins.
alpha helix
A common structure of proteins, characterized by a single, spiral chain of amino acids stabilized by hydrogen bonds. Compare beta sheet, random coil.
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