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Letters in Organic Chemistry


ISSN (Print): 1570-1786
ISSN (Online): 1875-6255

Bacteriorhodopsin Analogue from Indolic Chromophores

Author(s): Prasanta Kumar Hota and Anil Kumar Singh

Volume 4, Issue 4, 2007

Page: [300 - 305] Pages: 6

DOI: 10.2174/157017807781024228

Price: $65


A new analogue of bacteriorhodopsin (bR) was prepared by allowing bacterioopsin (bOP), the apo-protein of bR to interact with (2Z,4E)-3-chloro-5-(1H-indol-3-yl)-2,4-pentadienal as chromophore. It was characterised for its opsin shift, stability, light-induced pH change and fluorescence emission. Indolic aldehydes viz. 1H-indole-3-carboxaldehyde and (2Z,4E)-3-chloro-5-[1-(phenylsulfonyl)-1H-indol-3-yl]-2,4-pentadienal did not bind bOP.

Keywords: Bacteriorhodopsin, Indole, Bacteriorhodopsin analogues, Opsin shift, Rhodopsins

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