Theory of the Optical Property of Retinal in Visual Pigments
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概要
- 論文の詳細を見る
Previous calculations on the π-electron system in retinal are refined in a more rigorous way. Firstly, the σ-π interaction indispensable to derive the bond alternation is semiempirically determined from the first principle. Secondly, the effect of a sufficient number of singly- and doubly-excited configurations are examined in CI calculation. It is thus confirmed again that the wavelength of optical absorption maximum of retinal forming protonated Schiff-base binding is about 200 nm longer than that of retinal forming normal Schiff-base binding. The concept of partially-protonated Schiff-base binding of retinal, which is a phenomenological description of the previous theory for the interaction of retinal with opsin, is also formulated by introducing the degree (x) of protonation, and the x-dependences of the wavelengths and oscillator strengths of optical absorption are calculated.
- 社団法人日本物理学会の論文
- 1973-01-05
著者
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Komatsu Toshiro
Department Of Physics Waseda University
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Komatsu Toshiro
Department Of Dermatology School Of Medicine Iwate Medical University
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Kato Takeshi
Computation Center Hitachi Laboratory
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Suzuki Hideo
Department Of Cardiology Surugadai Nihon University Hospital
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Suzuki Hideo
Department Of Physics Waseda University
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Suzuki Hideo
Department of Bioscience Research, Tsukuba Research Laboratory, Toagosei Co., Ltd.
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