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

G. Orlandi, Klaus Schulten

Research output: Contribution to journalArticlepeer-review

Abstract

On the basis of MINDO/3, MINDO/3 CI and MNDO calculations it is demonstrated that the (photo-)isomerization (single and double bond rotations) of a Schiff base polyene depends strongly on the protonation state. The results are pertinent to the ground state behaviour and the photobehaviour of retinal in bacteriorhodopsin, a protein which acts as a light-driven proton pump in Halobacterium halobium.

Original languageEnglish (US)
Pages (from-to)370-374
Number of pages5
JournalChemical Physics Letters
Volume64
Issue number2
DOIs
StatePublished - Jul 1 1979

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

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