Singh, Anil K. ; Majumdar, Nirmalya (1997) Role of metal cations in colour transition and hydrolysis of the chromophores of retinal-binding photoreceptor proteins Journal of Photochemistry and Photobiology B: Biology, 39 (2). pp. 140-145. ISSN 1011-1344
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Official URL: http://www.sciencedirect.com/science/article/pii/S...
Related URL: http://dx.doi.org/10.1016/S1011-1344(96)00013-9
Abstract
Rates of hydrolysis of a model retinylidene Schiff base chromophore, namely all-trans-N-retinylidene-β-naphthylamine (1), have been determined in tetrahydrofuran, CHCl3, and CH3CN, in the presence and absence of metal cations (Li+, Mg2+) and trichloroacetic acid as the protonating agent. A mechanism for the hydrolysis of the Schiff base chromophore in visual pigments and a representation of the role of metal ions in maintaining the structure functions of bacteriorhodopsin have been proposed.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | Metal Cations; Colour Transition; Hydrolysis; Chromophores; Retinal-binding Photoreceptor Proteins |
| ID Code: | 54099 |
| Deposited On: | 11 Aug 2011 11:45 |
| Last Modified: | 11 Aug 2011 11:45 |
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