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. 1983 Apr;80(7):1887–1891. doi: 10.1073/pnas.80.7.1887

Bathorhodopsin intermediates from 11-cis-rhodopsin and 9-cis-rhodopsin.

J D Spalink, A H Reynolds, P M Rentzepis, W Sperling, M L Applebury
PMCID: PMC393715  PMID: 6572950

Abstract

Bathorhodopsin-rhodopsin difference spectra of native 11-cis-rhodopsin and regenerated 9-cis-rhodopsin were measured at room temperature with a double-beam laser spectrophotometer after excitation at 532 nm. A detailed analysis of data obtained at 85 psec after excitation suggests that the bathorhodopsins generated from 11-cis- and 9-cis-rhodopsin differ in their extinction coefficients and that their absorption maxima are shifted in wavelength by about 10 nm from one another. The ratio of quantum yields for photochemical production of the 11-cis-bathorhodopsin and the 9-cis-bathorhodopsin approximates 1. Implications that the early photochemical processes in vision are more complex than previously considered are explored.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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