Photochemistry of flavoprotein light sensors

KS Conrad, CC Manahan, BR Crane - Nature chemical biology, 2014 - nature.com
Three major classes of flavin photosensors, light oxygen voltage (LOV) domains, blue light
sensor using FAD (BLUF) proteins and cryptochromes (CRYs), regulate diverse biological …

Photophysics of the blue light using flavin domain

A Lukacs, PJ Tonge, SR Meech - Accounts of chemical research, 2022 - ACS Publications
Conspectus Light activated proteins are at the heart of photobiology and optogenetics, so
there is wide interest in understanding the mechanisms coupling optical excitation to protein …

Unraveling the photoactivation mechanism of a light-activated adenylyl cyclase using ultrafast spectroscopy coupled with unnatural amino acid mutagenesis

J Tolentino Collado, JN Iuliano, K Pirisi… - ACS chemical …, 2022 - ACS Publications
The hydrogen bonding network that surrounds the flavin in blue light using flavin adenine
dinucleotide (BLUF) photoreceptors plays a crucial role in sensing and communicating the …

The nature of proton-coupled electron transfer in a blue light using flavin domain

Z Zhou, Z Chen, XW Kang, Y Zhou… - Proceedings of the …, 2022 - National Acad Sciences
Proton-coupled electron transfer (PCET) is key to the activation of the blue light using flavin
(BLUF) domain photoreceptors. Here, to elucidate the photocycle of the central FMN-Gln-Tyr …

Photoreceptors take charge: emerging principles for light sensing

T Kottke, A Xie, DS Larsen… - Annual review of …, 2018 - annualreviews.org
The first stage in biological signaling is based on changes in the functional state of a
receptor protein triggered by interaction of the receptor with its ligand (s). The light-triggered …

Origin of the multi-phasic quenching dynamics in the BLUF domains across the species

Y Zhou, S Tang, Z Chen, Z Zhou, J Huang… - Nature …, 2024 - nature.com
Blue light using flavin (BLUF) photoreceptors respond to light via one of nature's smallest
photo-switching domains. Upon photo-activation, the flavin cofactor in the BLUF domain …

Light-induced chromophore and protein responses and mechanical signal transduction of BLUF proteins

T Fujisawa, S Masuda - Biophysical reviews, 2018 - Springer
Photoreceptor proteins have been used to study how protein conformational changes are
induced by alterations in their environments and how their signals are transmitted to …

Constructing molecular π-orbital active spaces for multireference calculations of conjugated systems

ER Sayfutyarova… - Journal of chemical theory …, 2019 - ACS Publications
Molecules with conjugated π systems often feature strong electron correlation and therefore
require multireference methods for a reliable computational description. A key prerequisite …

Formation of an unusual glutamine tautomer in a blue light using flavin photocycle characterizes the light-adapted state

JJ Goings, P Li, Q Zhu… - Proceedings of the …, 2020 - National Acad Sciences
Blue light using flavin (BLUF) photoreceptor proteins are critical for many light-activated
biological processes and are promising candidates for optogenetics because of their …

Photoactivation of the BLUF protein PixD probed by the site-specific incorporation of fluorotyrosine residues

AA Gil, SP Laptenok, JN Iuliano, A Lukacs… - Journal of the …, 2017 - ACS Publications
The flavin chromophore in blue-light-using FAD (BLUF) photoreceptors is surrounded by a
hydrogen bond network that senses and responds to changes in the electronic structure of …