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. Author manuscript; available in PMC: 2020 Sep 11.
Published in final edited form as: J Am Chem Soc. 2020 Jun 9;142(25):11032–11041. doi: 10.1021/jacs.0c02796

Figure 6.

Figure 6.

Scheme for proton and electron flow in the Förster cycle of GFP in the A state (Figure 1). Electron redistribution serves as a driving force for ESPT and photoacidity.