helix

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Related to a-helix: alpha helix
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Synonyms for helix

Synonyms for helix

a curve that lies on the surface of a cylinder or cone and cuts the element at a constant angle

a structure consisting of something wound in a continuous series of loops

References in periodicals archive ?
These structural changes were expected from the structural differences between residues R and Q compared to H, and also because the residue 168 is almost totally buried in the hydrophobic core of the a-helix 5, with only its tip exposed to the solvent.
Because a-helix 5 is a central helix, the forming of a salt bridge with [alpha]-helix 4 and an H-bond with [alpha]-helix 6 may increase the stabilization energy of domain I.
CD data indicated secondary structural changes, with the primary changes occurring in the a-helix.
In this last model, virtually the whole toxin, when associated with BBMV, is protected from proteinase K, with the exception that (in Cry1A toxins) a-helix 1 is cleaved off of the inserted form.
In agreement with a report showing that a-helix 1 is cleaved off during the insertion process (Aronson et al.