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Proton MAS NMR of a protein in a frozen aqueous solution

✍ Scribed by F. Volke; A. Pampel; M. Haensler; G. Ullmann

Publisher
Elsevier Science
Year
1996
Tongue
English
Weight
252 KB
Volume
262
Category
Article
ISSN
0009-2614

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✦ Synopsis

~H MAS NMR spectra of et-chymotrypsin in aqueous solution and in ice are presented. The MAS technique allows one to resolve mobile protein polypeptide side chains, even at subzero temperature (248 K). Determination of the amount of non-freezing water at the protein-ice interface using MAS NMR is of advantage in comparison to transverse relaxation time analysis.

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