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 …

[HTML][HTML] Light-induced Trpin/Metout switching during BLUF domain activation in ATP-bound photoactivatable adenylate cyclase OaPAC

A Chretien, MF Nagel, S Botha, R de Wijn… - Journal of molecular …, 2024‏ - Elsevier
The understanding of signal transduction mechanisms in photoreceptor proteins is essential
for elucidating how living organisms respond to light as environmental stimuli. In this study …

[HTML][HTML] Single amino acid mutation decouples photochemistry of the BLUF domain from the enzymatic function of OaPAC and drives the enzyme to a switched-on …

JT Collado, E Bodis, J Pasitka, M Szucs… - Journal of molecular …, 2024‏ - Elsevier
Photoactivated adenylate cyclases (PACs) are light-activated enzymes that combine a BLUF
(blue-light using flavin) domain and an adenylate cyclase domain that are able to increase …

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 …

[HTML][HTML] Time-resolved study on signaling pathway of photoactivated adenylate cyclase and its nonlinear optical response

Y Nakasone, H Murakami, S Tokonami, T Oda… - Journal of Biological …, 2023‏ - Elsevier
Photoactivated adenylate cyclases (PACs) are multidomain BLUF proteins that regulate the
cellular levels of cAMP in a light-dependent manner. The signaling route and dynamics of …

Slow conformational changes of blue light sensor BLUF proteins in milliseconds

S Tokonami, M Onose, Y Nakasone… - Journal of the American …, 2022‏ - ACS Publications
Blue light sensor using flavin (BLUF) proteins consist of flavin-binding BLUF domains and
functional domains. Upon blue light excitation, the hydrogen bond network around the flavin …

[HTML][HTML] SARS-CoV-2 NSP1 C-terminal (residues 131–180) is an intrinsically disordered region in isolation

A Kumar, A Kumar, P Kumar, N Garg, R Giri - Current Research in …, 2021‏ - Elsevier
The NSP1–C terminal structure in complex with ribosome using cryo-EM is available now,
and the N-terminal region structure in isolation is also deciphered in literature. However, as …

Label-Free Detection of Staphylococcus aureus Based on Bacteria-Imprinted Polymer and Turn-on Fluorescence Probes

Y Guo, J Li, X Song, K Xu, J Wang… - ACS Applied Bio …, 2020‏ - ACS Publications
The effective identification and quantitative determination of Staphylococcus aureus is a
major public health concern. Here, an innovative strategy that combines a bacteria-imprinted …

Aromatic patterns: Tryptophan aromaticity as a catalyst for the emergence of life and rise of consciousness

A Alachkar - Physics of Life Reviews, 2022‏ - Elsevier
Sunlight held the key to the origin of life on Earth. The earliest life forms, cyanobacteria,
captured the sunlight to generate energy through photosynthesis. Life on Earth evolved in …

From crystallographic data to the solution structure of photoreceptors: the case of the AppA BLUF domain

S Hashem, V Macaluso, M Nottoli, F Lipparini… - Chemical …, 2021‏ - pubs.rsc.org
Photoreceptor proteins bind a chromophore, which, upon light absorption, modifies its
geometry or its interactions with the protein, finally inducing the structural change needed to …