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Cited by 167

The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.

An Effective Method for the Discrimination of Motional Anisotropy and Chemical Exchange

Kneller, Julie M., Lu, Min, Bracken, Clay·2002·Journal of the American Chemical Society

Abstract

Analysis of the ratio of transverse and longitudinal relaxation rates (R2/R1) is an approach commonly used for estimation of overall correlation time and identification of chemical exchange in biological macromolecules. However, this analysis fails to distinguish between chemical exchange and motional anisotropy. We describe a simple method for identifying chemical exchange and motional anisotropy using the product, R1R2. In the slow tumbling regime, the R1R2 product results in a constant value that is independent of overall correlation time and motional anisotropy. This analysis provides a simple method for rapidly estimating and dissociating the effects of motional anisotropy and chemical exchange in NMR heteronuclear spin relaxation data. We demonstrate the utility of the method with 15N relaxation data collected on the proteins E. coli ribonuclease H and the trimeric E. coli membrane associated lipoprotein lpp.

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Crossref · 10.1021/ja017461k

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Metadata

Authors
Kneller, J. M., Lu, M., & Bracken, C.
Venue
Journal of the American Chemical Society
Published
2002-02-06
Volume
124
Issue
9
Pages
1852-1853
ISSN
  • 0002-7863 (ISSN-L)
  • 1520-5126
OpenAlex
W1980133582
Cited by
167
References
1
FWCI
1.65
Type
journal article
Language
en
Open access
closed

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