Theory and simulation of the ultrafast double-bond isomerization of biological chromophores

S Gozem, HL Luk, I Schapiro, M Olivucci - Chemical reviews, 2017 - ACS Publications
Ultrafast processes in light-absorbing proteins have been implicated in the primary step in
the light-to-energy conversion and the initialization of photoresponsive biological functions …

Design of large stokes shift fluorescent proteins based on excited state proton transfer of an engineered photobase

EM Santos, W Sheng… - Journal of the …, 2021 - ACS Publications
The incredible potential for fluorescent proteins to revolutionize biology has inspired the
development of a variety of design strategies to address an equally broad range of …

Dual photoisomerization on distinct potential energy surfaces in a UV-absorbing rhodopsin

Y Hontani, M Broser, M Luck… - Journal of the …, 2020 - ACS Publications
UV-absorbing rhodopsins are essential for UV vision and sensing in all kingdoms of life.
Unlike the well-known visible-absorbing rhodopsins, which bind a protonated retinal Schiff …

An average solvent electrostatic configuration protocol for Qm/mm free energy optimization: Implementation and application to rhodopsin systems

Y Orozco-Gonzalez, M Manathunga… - Journal of chemical …, 2017 - ACS Publications
A novel atomistic methodology to perform free energy geometry optimization of a retinal
chromophore covalently bound to any rhodopsin-like protein cavity is presented and …

A Near‐Infrared Photoswitchable Protein–Fluorophore Tag for No‐Wash Live Cell Imaging

W Sheng, ST Nick, EM Santos, X Ding… - Angewandte Chemie …, 2018 - Wiley Online Library
Abstract FR‐1V, a fluorene‐based aldehydic chromophore, binds its target protein as an
imine to yield a highly bathochromic pigment, CF‐2, a prototypic protein–dye tagging system …

Fluorescence Anisotropy Detection of Barrier Crossing and Ultrafast Conformational Dynamics in the S2 State of β-Carotene

JK Gurchiek, JB Rose… - The Journal of …, 2020 - ACS Publications
Carotenoids are usually only weakly fluorescent despite being very strong absorbers in the
mid-visible region because their first two excited singlet states, S1 and S2, have very short …

Induced night vision by singlet-oxygen-mediated activation of rhodopsin

M Marazzi, H Gattuso, A Giussani… - The Journal of …, 2019 - ACS Publications
In humans, vision is limited to a small fraction of the whole electromagnetic spectrum. One
possible strategy for enhancing vision in deep-red or poor-light conditions consists of …

Xanthopsin‐like systems via site‐specific click‐functionalization of a retinoic acid binding protein

G Tassone, M Paolino, C Pozzi, A Reale… - …, 2022 - Wiley Online Library
The use of light‐responsive proteins to control both living or synthetic cells, is at the core of
the expanding fields of optogenetics and synthetic biology. It is thus apparent that a richer …

Excited-State Dynamics of a CRABPII-Based Microbial Rhodopsin Mimic

G Li, J Meng, S Yu, X Bai, J Dai, Y Song… - The Journal of …, 2024 - ACS Publications
Microbial rhodopsin, a pivotal photoreceptor protein, has garnered widespread application
in diverse fields such as optogenetics, biotechnology, biodevices, etc. However, current …

Light controlled reversible Michael addition of cysteine: a new tool for dynamic site-specific labeling of proteins

S Maity, C Bingham, W Sheng, N Ehyaei… - Analyst, 2023 - pubs.rsc.org
Cysteine-based Michael addition is a widely employed strategy for covalent conjugation of
proteins, peptides, and drugs. The covalent reaction is irreversible in most cases, leading to …