alpha helix

(redirected from Alpha helice)
Also found in: Medical, Encyclopedia.
Related to Alpha helice: alpha helix

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 ?
The most common secondary structures are alpha helices and beta sheets.
Towards this goal, Compugen developed a sequence-based computational method for the prediction of intra-molecular interacting alpha helices.