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Photochemical Primary Process of Octopus Rhodopsin

  • H. Ohtani
  • T. Kobayashi
  • M. Tsuda
  • T. G. Ebrey
Conference paper
Part of the Springer Proceedings in Physics book series (SPPHY, volume 20)

Abstract

A visual pigment rhodopsin is a chromoprotein with an 11-cis retinal. Rhodopsin is photodecomposed to an all-trans retinal and an apoprotein opsin. The primary event is the photoisomerization of retinal from 11-cis to all-trans conformation [1] followed by sequential thermal reactions [2]. Intermediates have been found by low-temperature spectroscopy except the first intermediate [3,4] primerhodopsin (Batho [5] or photorhodopsin [6]), which has a bathorhodopsin-like red-shifted absorption spectrum. There are three intermediates, bathorhodopsin, hypsorhodopsin, and primerhodopsin, in the picosecond region. The sequence among them at physiological temperature has not yet been established.

Keywords

Absorption Cross Section Bovine Rhodopsin Difference Absorption Spectrum Lower Excited Singlet State Lauryl Ester 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 1987

Authors and Affiliations

  • H. Ohtani
    • 1
  • T. Kobayashi
    • 1
  • M. Tsuda
    • 2
  • T. G. Ebrey
    • 3
  1. 1.Department of PhysicsUniversity of TokyoBunkyo, Tokyo 113Japan
  2. 2.Department of PhysicsSapporo Medical CollegeSapporo 060Japan
  3. 3.Department of Physiology and BiophysicsUniversity of IllinoisUrbanaUSA

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