Excited state dynamics and heterogeneity of folded and unfolded states of cytochrome c

R. Jimenez, F.E. Romesberg, J. Phys. Chem. B. (2002) 106(35):9172-9180.
pubpic2002jimenezTransient absorption, transient grating, and 3PEPS measurements are used to characterize the photophysics of the heme chromophore in the folded protein and in two different unfolded proteins. We find that cyt c has little structural heterogeneity in the folded state, and a larger degree of structural heterogeneity in the unfolded states that depends on the unfolding conditions.