D of Pr of intact phy (4.1 x 10(-11) m(2) s(-1)) first decreases upon photoexcitation to 0.89 x 10(-11) m(2) s(-1) within 1 ms and then gradually increases with a time constant of 100 ms to the value of Pfr, 1.7 x 10(-11) m(2) s(-1).
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intact phy
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For intact phy, diffusion first decreases within 1 ms after photoexcitation and then increases with a time constant of 100 ms to the Pfr value.
Quoted textsource-backed
D of Pr of intact phy (4.1 x 10(-11) m(2) s(-1)) first decreases upon photoexcitation to 0.89 x 10(-11) m(2) s(-1) within 1 ms and then gradually increases with a time constant of 100 ms to the value of Pfr, 1.7 x 10(-11) m(2) s(-1).
The slower approximately 100 ms phase in intact phy suggests a conformational change in the N-terminal region that decreases intermolecular interaction with water after a global change in the large phy region.
Quoted textsource-backed
This slower phase suggests that the conformation of the N-terminal region changes with 100 ms to decrease the intermolecular interaction with water after a global change in the large phy region.
The increase in diffusion was interpreted as alpha-helix formation in the Pfr form from a random coil structure in the Pr form.
Quoted textsource-backed
The increase of D was interpreted in terms of alpha-helix formation in the Pfr form from the random coil structure in the Pr form.