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Default A simple strategy for 13C,1H labeling at the Ile-γ2 methyl position in highly deuter

A simple strategy for 13C,1H labeling at the Ile-γ2 methyl position in highly deuterated proteins


Abstract A straightforward approach for the production of highly deuterated proteins labeled with 13C and 1H at Ile-γ2 methyl positions is described. The utility of the methodology is illustrated with an application involving the half proteasome (360 kDa). High quality 2D Ile 13Cγ2,1Hγ2 HMQC data sets, exploiting the methyl-TROSY principle, are recorded with excellent sensitivity and resolution, that compare favorably with Ile 13Cδ1,1Hδ1 spectra. This labeling scheme adds to a growing list of different approaches that are significantly impacting the utility of solution NMR spectroscopy in studies of supra-molecular systems.
  • Content Type Journal Article
  • DOI 10.1007/s10858-010-9449-1
  • Authors
    • Amy M. Ruschak, Departments of Molecular Genetics, Biochemistry and Chemistry, The University of Toronto, Toronto, ON M5S 1A8, Canada
    • Algirdas Velyvis, Departments of Molecular Genetics, Biochemistry and Chemistry, The University of Toronto, Toronto, ON M5S 1A8, Canada
    • Lewis E. Kay, Departments of Molecular Genetics, Biochemistry and Chemistry, The University of Toronto, Toronto, ON M5S 1A8, Canada

Source: Journal of Biomolecular NMR
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