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. 2013 Oct 9;8(10):e77257. doi: 10.1371/journal.pone.0077257

Figure 4. APC-MCR lacks a cooperative unfolding transition.

Figure 4

A, Intrinsic protein fluorescence spectra of APC-MCR measured in 1°C steps from 20°C to 70°C, indicated by a greyscale gradient from black to light grey. B, Comparison of intrinsic tyrosine fluorescence spectra normalised to the maxima. Experiment and colour code as in A. C Temperature dependence of intrinsic tyrosine fluorescence emission of MCR upon stepwise increase of temperature at 340 nm (black) and 304 nm (grey) normalised on maxima of emission.