Differentiating helices: The direct observation of hydrogen bonds by (3h)J(N,C′) scalar couplings is not only possible for alpha-helix and beta-sheet peptides and proteins, but for 3(10)-helical peptides as well. The method also provides information on terminal fraying of helices and allows the discrimination between alpha and 3(10) helices.
Direct observation of intramolecular hydrogen bonds in peptide 3(10) helices by (3h)J(N,C ') scalar couplings
BELLANDA, MASSIMO;FORMAGGIO, FERNANDO;MAMMI, STEFANO;
2004
Abstract
Differentiating helices: The direct observation of hydrogen bonds by (3h)J(N,C′) scalar couplings is not only possible for alpha-helix and beta-sheet peptides and proteins, but for 3(10)-helical peptides as well. The method also provides information on terminal fraying of helices and allows the discrimination between alpha and 3(10) helices.
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