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. Author manuscript; available in PMC: 2010 Feb 11.
Published in final edited form as: J Am Chem Soc. 2009 Feb 11;131(5):1939–1946. doi: 10.1021/ja8079669

Figure 4.

Figure 4

Saturation Transfer Difference spectra obtained by irradiation of 13C resonances A (panel A), B, D, E, F (panel B), Y and Z (panel D) on a fully-labeled sample, and I and J (panel C) on a sample labeled at the cysteine residues. Experiments performed at 298 K.