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Default Suppression of diagonal peaks in TROSY-type 1H NMR NOESY spectra of 15N-labeled prote

Suppression of diagonal peaks in TROSY-type 1H NMR NOESY spectra of 15N-labeled proteins.

Related Articles Suppression of diagonal peaks in TROSY-type 1H NMR NOESY spectra of 15N-labeled proteins.

J Magn Reson. 1999 Oct;140(2):499-503

Authors: Meissner A, Sørensen OW

A novel method for suppression of diagonal peaks in the amide region of NOESY NMR spectra of 15N-labeled proteins is presented. The method is particularly useful for larger proteins at high magnetic fields where interference between dipolar and chemical shift anisotropy relaxation mechanisms results in large TROSY effects, i.e. , large differences in 1HN linewidths depending on the spin state of attached 15N nuclei. In this limit the new TROSY NOESY method does not compromise sensitivity. It is demonstrated using a perdeuterated 15N-labeled protein sample, Neural Cell Adhesion Molecule 213-308 (NCAM) from rat, in H2O at 800 MHz.

PMID: 10497058 [PubMed - indexed for MEDLINE]



Source: PubMed
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