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alpha helix
noun
, Biochemistry.
- 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.
alpha helix
noun
- biochem a helical conformation of a polypeptide chain, found abundantly in the structure of proteins
alpha helix
- A common structure of proteins, characterized by a single, spiral chain of amino acids stabilized by hydrogen bonds.
- Compare beta sheet
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Word History and Origins
Origin of alpha helix1
First recorded in 1950–55
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