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. 2003 Feb;84(2):1180–1191. doi: 10.1016/S0006-3495(03)74932-7

FIGURE 4.

FIGURE 4

KDIE obtained with the complex model. In (A) the photocycle model used to analyze the data presented in (B–H) is shown. Data obtained in H2O is represented with solid symbols; data obtained in D2O by open symbols. Triangles denote values that were forced in the analysis. Error bars are shown for data points where the error is larger than the size of the symbol. Data is plotted as function of pOH/pOD with the exception of the data in (F), which is plotted as function of pH/pD. In (B) the rate representing pB′ formation (k1) is shown. The dashed line represents the values for the reverse reaction in H2O. The KDIE of this reverse reaction (k−1) is illustrated in (C). In (D) the formation of pB from pB′ (k2) is represented. In (E) the rate representing pBdeprot formation (k3) is shown. The dashed line represents the values for the reverse reaction in H2O. The KDIE of this reverse reaction (k−3) is illustrated in (F). In (G and H) the formation of pG from pBdeprot is plotted for data recorded at 450 nm (k4) and 360 nm (k5), respectively.