8, 16??And 8, 18??methanobacteriorhodopsin. Synthesis and spectroscopy of 8, 16??and 8, 18??methanoretinal and their interaction with bacterioopsin

…, J Lugtenburg, C Erkelens, RA Mathies

Index: Steen, R. van der; Biesheuvel, P. L.; Erkelens, C.; Mathies, R. A.; Lugtenburg, J. Recueil des Travaux Chimiques des Pays-Bas, 1989 , vol. 108, # 3 p. 83 - 93

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Citation Number: 12

Abstract

Abstract 8, 16-And 8, 18-methanoretinal with a locked 6-s-trans and a 6-s-cis conformation have been synthesized and characterized. Their 9-Z and 13-Z isomers could also be prepared, in contrast to the 11-Z. 8, 16-Methanoretinal easily binds with bacterioopsin (bO) to form a bacteriorhodopsin analogue which closely resembles natural bacteriorhodopsin (bR)(λ max, light-dark adaptation and proton pump action). The interaction of 8, 18- ...