alpha helix

(redirected from Alpha helices)
Also found in: Dictionary, Medical.
Related to Alpha helices: alpha helix, Beta sheets

alpha helix

[′al·fə ′hē·liks]
(cell and molecular biology)
A spatial configuration of the polypeptide chains of proteins in which the chain assumes a helical form, 0.54 nanometer in pitch, 3.6 amino acids per turn, presenting the appearance of a hollow cylinder with radiating side groups.
Mentioned in ?
References in periodicals archive ?
1995) Intrinsic stability of individual alpha helices modulates structure and stability of the apomyoglobin molten globule form.
Folding of apomyoglobin: analysis of transient intermediate structure during refolding using quick hydrogen deuterium exchange and NMR
Formation of alpha helices and beta sheets is more difficult when its sequence contains large number of proline.
Dystrophin hydrophobic regions in the pathogenesis of Duchenne and Becker muscular dystrophies
The most common secondary structures are alpha helices and beta sheets.
Modeling protein structure & function: pencil transferase

Encyclopedia browser ?
Full browser ?