Conformational dynamics of tryptophan: a proposal for the origin of the non-exponential fluorescence decay

Richard A. Engh*, Lin X Q Chen, Graham R. Fleming

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

85 Scopus citations

Abstract

A molecular dynamics simulation is used to explore the conformational dynamics of tryptophan. The simulations imply a substantial time scale separation for motion around the χ1 or χ2 bonds. We propose a model for tryptophan non-exponential fluorescence decay in terms of two χ2 conformers each consisting of equilibrium distributions (on the fluorescence time scale) of χ1 conformers.

Original languageEnglish (US)
Pages (from-to)365-372
Number of pages8
JournalChemical Physics Letters
Volume126
Issue number3-4
DOIs
StatePublished - May 9 1986

ASJC Scopus subject areas

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

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