Definition of Alpha helix

1. Noun. A secondary structure found in many proteins, where the amino acids are arranged in a coil, or helix, with almost no free space on the inside and all side chains being pointed towards the outside. ¹

¹ Source: wiktionary.com

Medical Definition of Alpha helix

1. A particular helical folding of the polypeptide backbone in protein molecules (both fibrous and globular), in which the carbonyl oxygens are all hydrogen bonded to amide nitrogen atoms three residues along the chain. The translation of amino acid residues along the long axis is 0.15 nm and the rotation per residue, 100­, so that there are 3.6 residues per turn. This entry appears with permission from the Dictionary of Cell and Molecular Biology (22 Feb 2008)

Lexicographical Neighbors of Alpha Helix

alpha emission
alpha emitter
alpha error
alpha errors
alpha female
alpha females
alpha fetoprotein
alpha fibres
alpha foetoprotein
alpha geek
alpha geeks
alpha globulin
alpha glucosidase
alpha granule
alpha helices
alpha helix (current term)
alpha helixes
alpha interferon
alpha iron
alpha male
alpha males
alpha methyl dopa
alpha mucase
alpha particle
alpha particles
alpha privata
alpha privative
alpha privatives
alpha privativum
alpha radiation

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