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. Author manuscript; available in PMC: 2010 Aug 19.
Published in final edited form as: J Am Chem Soc. 2009 Aug 19;131(32):11306–11307. doi: 10.1021/ja9048338

Figure 1.

Figure 1

Monitoring the rates of interconversion for ARNT PAS-B Y456T. Left: Peak intensity changes in 1D 1H NMR spectra are recorded as the protein re-establishes equilibrium (t=0 min, light blue; t=500 min, dark blue), as monitored by L391Hδ1. Right: Kinetic traces for the interconversion, corresponding to peak intensity changes for the wt (blue) and +3 (black) conformations.