X-Ray Photoelectron Spectroscopy (XPS) of Bacteriorhodopsin Anaiogues Synthesixed from Fluorophenyl Retinals

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概要

• 論文の詳細を見る

• The two external point-charge (TEPC) model for bacteriorhodopsin (bR) hasbeen examined by X-ray photoelectron spectroscopy (XPS) and CNDO/S mo-lecular orbital calculations. A main concern was given to a point charge near the/7-ionone ring. XPS measurements were carried out on fluorophenyl retinal (F-ret)and their derivatives (Schiff base, protonated Schiff base and bacteriorhodopsinanalogues (F-bR)), paying close attention to the chemical shift of the F 1.5 corelevel. No meaningful differences were observed among these species althoughnumerical calculations on an assumption of the TEPC model have predicted thechemical shift of about 3 eV between F-ret and F-bR. This fact has arisen aserious question to the validity of the TEPC model. The same conclusion hasbeen reached by the present study of absorption maxima of F-rot and their deriva-tives.

• 社団法人日本物理学会の論文
• 1984-04-15

著者

• TAKAHASHI Takashi

  Department of General Medicine, Kanazawa Medical University

• SAGAWA Takasi

  Department of Physics,Tohoku University

• Tokunaga Fumio

  Department of Space and Earth Science, Graduate School of Science, Osaka University

• Tsujimoto Kazuo

  Department Of Materials Science University Of Electro-communications

• Tsujimoto Kazuo

  Department Of Materials Science The University Of Electro-communications

• MURANO Kentaro

  National Institute for Environmental Studies

• Takahashi Masae

  Department Of Materials Science Faculty Of Engineering Tottori University

• Sagawa Takasi

  Department Of Physics Faculty Of Science Tohoku University

• Tokunaga F

  Graduate School Of Science Osaka Univ.

• Tokunaga Fumio

  Jst-crest Dept. Of Earth And Space Sci. Osaka Univ.

• Tokunaga Fumio

  Department Of Biology Graduate School Of Science Osaka Univercity:japan Science And Technology Agenc

• Takahashi Takashi

  Department Of Applied Chemistry Tokyo Institute Of Technology

• Takahashi Masae

  Department Of Dermatology Kinki University School Of Medicine

• Sagawa Takasi

  Department Of Physics Faculty Of Sciences Tohoku University

• Takahashi Takashi

  Department Of Applied Chemistry Graduate School Of Science And Engineering Tokyo Institute Of Techno

• SAGAWA Takasi

  Department of Physics,Faculty of Science Tohoku University

• TOKUNAGA Fumio

  Department of Physics,Faculty of Science,Tohoku University

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