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Issue 8, 1996
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Metal cation assisted protonation of retinylidene Schiff base in aqueous acetonitrile and in reverse micelles

Abstract

Metal cations (Ca2+, Mg2+, Zn2+) cause water to protonate all-trans-N-retinylidenebutylamine when solubilised in (i) acetonitrile containing aqueous MgBr2 and (ii) CaA2, MgA2 and ZnA2[where A = bis(2-ethylhexyl) sulfosuccinate anion] solubilised water pools in heptane. The results are discussed in terms of the role of metal cations and water in wavelength regulation in the opsin family of proteins.

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Article information


J. Chem. Soc., Perkin Trans. 2, 1996, 1739-1742
Article type
Paper

Metal cation assisted protonation of retinylidene Schiff base in aqueous acetonitrile and in reverse micelles

A. K. Singh and J. Das, J. Chem. Soc., Perkin Trans. 2, 1996, 1739
DOI: 10.1039/P29960001739

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