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Coupling of stereochemistry and proton donor-acceptor properties of a schiff base, a model of a light-driven proton pump

✍ Scribed by G. Orlandi; Klaus Schulten

Publisher: Elsevier Science
Year: 1979
Tongue: English
Weight: 481 KB
Volume: 64
Category: Article
ISSN: 0009-2614
DOI: 10.1016/0009-2614(79)80534-5

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✦ Synopsis

On the basis ofMINDOf3. MISDO!5 Ci and MNDO caIcuhtions it is demonstrated that the (photo-)isomerizarion (single ana double bond rotations) of a Schiff base poIyene depends strongly on the proton&on state. The results zre pertinent to the ground sfate bchzniour nnd the photobehaviour of retinal in bacteriorhodopsin. n protein which acts as .r light-driven proron pump in HaIobsc:erium h&abium_ * A-ton Humbold: Stipendiat. permanent address: Laborntorio di Fotochimica e Radtiioni d'AIta Energia de1 CNR, 40176 Bologna. iMy_

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