Alpha helix


the rodlike spatial configuration of many protein molecules in which the polypeptide backbone is stabilized by hydrogen bonds between amino acids in successive helical turns.
noun
(biochem) a helical conformation of a polypeptide chain, found abundantly in the structure of proteins

alpha helix n.
the helical form, turned in a right-handed direction, of many proteins.
alpha helix
a common structure of proteins, characterized by a single, spiral chain of amino acids stabilized by hydrogen bonds. compare beta sheet, random coil.

Read Also:

  • Alpha-interferon

    (def 2).

  • Alpha iron

    the magnetic allotrope of iron, stable below 910°c and having a body-centered cubic sp-ce lattice. noun a magnetic allotrope of iron that is stable below 910°c; ferrite

  • Alpha-ketoglutaric acid

    a dibasic keto acid, c 5 h 6 o 5 , that occurs as an intermediate in the krebs’ cycle and in protein metabolism.

  • Alpha-naphthol

    see under . either of two isomeric hydroxyl derivatives, c 1 0 h 7 oh, of naphthalene (alpha-naphthol or 1-naphthol and beta-naphthol or 2-naphthol) white or yellowish crystals, with a phenolic odor, that darken on exposure to light: used chiefly in dyes, drugs, perfumes, and insecticides. historical examples alpha-naphthol for dark reds from primuline, greys […]

  • Alpha-naphthyl group

    (def 1).


Disclaimer: Alpha helix definition / meaning should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. All content on this website is for informational purposes only.