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. 2005 Jul 29;89(5):3446–3455. doi: 10.1529/biophysj.105.061713

FIGURE 3.

FIGURE 3

Autocorrelation functions for varying pH (solid lines represent fits according to Eqs. 2a and 2b). For grKaede (left), the curves shift to shorter residence times τ, whereas they remain almost unchanged for rKaede (right). The shoulder at 10–100 ms arises at low pH 5.0 and 4.5 for both grKaede and rKaede (pH 9, 8, 7, 6.5, 5.5, 5.0, and 4.5 in the direction of the arrow). The insets show the fit results for pH 5.5–9 obtained from Eq. 2b (transition rates τ1 (squares) and τ2 (stars, right inset) and fractions F1 (squares) and F2 (stars, right inset)).