Cavadini Simone, Abraham Anuji, Ulzega Simone, Bodenhausen Geoffrey
Laboratoire de Résonance Magnétique Biomoléculaire, Ecole Polytechnique Fédérale de Lausanne, Batochime, CH-1015 Lausanne, Switzerland.
J Am Chem Soc. 2008 Aug 20;130(33):10850-1. doi: 10.1021/ja802603q. Epub 2008 Jul 23.
The indirect detection of 14N spectra via protons in the manner of heteronuclear multiple-quantum correlation (HMQC) allows one to obtain single- (SQ) and double-quantum (DQ) 14N spectra in solids. A comparison of the SQ and DQ line widths as a function of temperature with simulations reveals motions in the tripeptide AAG with rates on the order of 107 s(-1) at 49 degrees C.