alpha helix

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alpha helix

A secondary structure of proteins, characterized by a single, spiral chain of amino acids stabilized by hydrogen bonds.

[From alpha-form, the form taken by unstretched protein molecules.]

al′pha-hel′i·cal (-hĕl′ĭ-kəl, -hē′lĭ-) adj.

alpha helix

(Biochemistry) biochem a helical conformation of a polypeptide chain, found abundantly in the structure of proteins

al′pha he′lix

the spatial configuration of many protein molecules in which the polypeptide backbone is stabilized by hydrogen bonds between amino acids in successive helical turns.
alfa uzvojnica
References in periodicals archive ?
These include two operations in California; MedVenture Technology in Indiana; and VistaMed, a Helix Medical joint-venture partner in Ireland.
Lu, "Thermal analysis of a helix TWT slow-wave structure," IEEE Trans.
Because numerical simulation can get detailed three dimensional temperature distributions of a helix SWS, this method is employed in this paper to accurately calculate the thermal characteristics of the helix SWS.