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Thermodynamical properties of reaction intermediates during apoplastocyanin folding in time domain
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10.1063/1.2780860
/content/aip/journal/jcp/127/17/10.1063/1.2780860
http://aip.metastore.ingenta.com/content/aip/journal/jcp/127/17/10.1063/1.2780860

Figures

Image of FIG. 1.
FIG. 1.

The TG signals of chemically modified apoPC sample measured at various at ; (a) , (b) , (c) , and (d) . The best fitted curves are shown by the gray lines.

Image of FIG. 2.
FIG. 2.

CD spectra measured before laser irradiation (solid line), and 5 and (broken and dotted lines, respectively) after the laser irradiation of a period of .

Image of FIG. 3.
FIG. 3.

Plot of diffusion coefficients of the initial apoPC (, circles), of (, triangles), and of (, squares) against temperature divided by the solution viscosity .

Image of FIG. 4.
FIG. 4.

Typical TG signals of calorimetric reference (CR) and apoPC samples at (a) , (b) , (c) , and (d) and their fitting curves based on Eqs. (15) and (16). The best fitted curves are shown by the gray lines.

Image of FIG. 5.
FIG. 5.

Temperature dependence of the enthalpy change upon the formation of the state .

Image of FIG. 6.
FIG. 6.

Typical TrL signals of calorimetric reference (CR) and apoPC sample at various temperatures: (a) , (b) , (c) , and (d) . The best fitted curves are shown by the gray lines.

Image of FIG. 7.
FIG. 7.

Schematic decomposition of the observed TrL signal at (upper) by Eq. (19) into the three components (lower): thermal diffusion , the thermal contribution for the process with the rate constant of , and the volume grating component .

Image of FIG. 8.
FIG. 8.

Temperature dependence of the enthalpy changes of the creation of the (squares, ) and species (circles, ).

Image of FIG. 9.
FIG. 9.

Diagram of the enthalpy change along the apoPC folding process at various temperatures (from the upper side, at 288, 293, 298, and ). The averaged value of over the four temperatures was shown for , because was almost temperature independent.

Image of FIG. 10.
FIG. 10.

Temperature dependence of the volume changes upon the processes of (open square, ) and (closed circle, ). The lines are linear fittings.

Image of FIG. 11.
FIG. 11.

(a) The absorption spectrum change of the chemically modified apoPC at after the irradiation of laser pulses. The numbers of laser pulses are 0, , , , , and from the top to bottom for the longer wavelength absorption bands. (b) The plot of the decrease of the absorbance of DPCP in hexane at (closed circle) and that of chemically modified apoPC at (open square) under the same condition against the number of the irradiated laser shots.

Tables

Generic image for table
Table I.

Temperature dependences of the diffusion coefficients of , , and states and the rate constants of the and processes. The standard deviations are shown in parentheses.

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/content/aip/journal/jcp/127/17/10.1063/1.2780860
2007-11-05
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Thermodynamical properties of reaction intermediates during apoplastocyanin folding in time domain
http://aip.metastore.ingenta.com/content/aip/journal/jcp/127/17/10.1063/1.2780860
10.1063/1.2780860
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