Medical Definition of Pauling-Corey helix

1. The helical (commonly right-handed) form present in many proteins, deduced by Pauling and Corey from X-ray diffraction studies of proteins such as alpha-keratin; the helix is stabilised by hydrogen bonds between, e.g., ==C==O and HN== groups (symbolised by the centre dot in ==CO-HN==) of different eupeptide bonds. In a true a helix, there are 3.6 amino acid residues per turn of the helix. Synonym: 3.613 helix, Pauling-Corey helix. Collagen helix, an extended left-handed helix resulting from the high levels of glycine, l-proline, and l-hydroxyproline present in the collagens. There are 3.3 amino acids per turn of the helix. Three of those left-handed helices form a triple superhelix that is right-handed. (05 Mar 2000)

Lexicographical Neighbors of Pauling-Corey Helix

paughty
paugy
pauhaugen
Paul
Paul's reaction
Paul's test
Paul-Bunnell test
pauldron
pauldrons
Pauli
Pauli's exclusion principle
paulin
Pauline
Pauling
Pauling's theory
Pauling-Corey helix (current term)
paulins
paulist
Pauli exclusion principle
paulownia
paulownia
paulownias
Paulo Afonso
Paulo Afonso Falls
pauls
Paul Adrien Maurice Dirac
Paul Bunyan
Paul Bustill Robeson
Paul Cezanne
Paul Dukas

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