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Identification of Spin Diffusion Pathways in Isotopically Labeled Biomolecules

✍ Scribed by Thomas R. Eykyn; Dominique Früh; Geoffrey Bodenhausen

Publisher: Elsevier Science
Year: 1999
Tongue: English
Weight: 74 KB
Volume: 138
Category: Article
ISSN: 1090-7807
DOI: 10.1006/jmre.1999.1736

No coin nor oath required. For personal study only.

✦ Synopsis

One-dimensional NOE experiments applicable to labeled macromolecules are presented which allow the manipulation of specific spin diffusion pathways and thus unambiguously identify clandestine spins through which the direct NOE is mediated. A treatment of spin diffusion using average Liouvillian theory is shown to describe adequately these phenomena. Experiments are carried out on an 15 N-labeled sample of human ubiquitin.

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