Zagorec-Marks, Wyatt and Foreman, Madison M. and Verlet, Jan R. R. and Weber, J. Mathias (2019) 'Cryogenic ion spectroscopy of the green fluorescent protein chromophore in vacuo.', The journal of physical chemistry letters., 10 (24). pp. 7817-7822.
Abstract
We present the spectrum of the S1 ← S0 transition of an anionic model for the chromophore of the green fluorescent protein in vacuo at cryogenic temperatures, showing previously unresolved vibrational features, and resolving the band origin at 20850 cm-1 (479.6 nm) with unprecedented accuracy. The vibrational spectrum establishes that the molecule is in the Z isomer at low temperature. At increased temperature, theS1 ← S0 band shifts to the red, which we tentatively attribute to emergent population of the E isomer.
| Item Type: | Article |
|---|---|
| Full text: | (AM) Accepted Manuscript Download PDF (1660Kb) |
| Status: | Peer-reviewed |
| Publisher Web site: | https://doi.org/10.1021/acs.jpclett.9b02916 |
| Publisher statement: | This document is the Accepted Manuscript version of a Published Work that appeared in final form in The Journal of Physical Chemistry Letters, copyright © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see https://doi.org/10.1021/acs.jpclett.9b02916 |
| Date accepted: | 04 November 2019 |
| Date deposited: | 13 November 2019 |
| Date of first online publication: | 04 November 2019 |
| Date first made open access: | 04 November 2020 |
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