Protein dynamics of bacteriorhodopsin probed by photon echo and transient absorption spectroscopy

被引：0
|
作者：
Kennis, JTM [1 ]
Larsen, DS [1 ]
Ohta, K [1 ]
Facciotti, MT [1 ]
Glaeser, RM [1 ]
Fleming, GR [1 ]
机构：
[1] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA
来源：
ULTRAFAST PHENOMENA XIII | 2003年 / 71卷
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O59 [应用物理学];
学科分类号：
摘要：
We report the results of a three-pulse echo peak shift (3PEPS), and transient absorption (TA) study of bacteriorhodopsin. The results are analyzed in the framework of the multimode Brownian oscillator (MBO) model. It is concluded that the protein environment of the retinal chromophore exhibits an extensive inertial solvation phase, which may be attributed to a dielectric response. Diffusive-type motions of the protein on a sub-ps to ps timescale do not occur.
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页码：646 / 648
页数：3
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