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Ultrafast Dynamics of “Reverse Protonation” in the Red Fluorescent Protein mKeima

Garima Bhutani, Pratima Verma, Kausik Chattopadhyay, and Arijit K. De

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Abstract

We investigate ultrafast dynamics of excited-state proton transfer coupled with cis-trans isomerization in the red fluorescent protein mKeima, elucidating the mechanism of “reverse protonation” and how it is fine-tuned by pH of the local environment.

© 2022 The Author(s)

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