Time-dependent long-range-corrected double-hybrid density functionals with spin-component and spin-opposite scaling: A comprehensive analysis of singlet–singlet …

M Casanova-Páez, L Goerigk - Journal of Chemical Theory and …, 2021 - ACS Publications
Following the work on spin-component and spin-opposite scaled (SCS/SOS) global double
hybrids for singlet–singlet excitations by Schwabe and Goerigk [J. Chem. Theory Comput …

Structural framework for the understanding spectroscopic and functional signatures of the cyanobacterial Orange Carotenoid Protein families

NN Sluchanko, EG Maksimov, YB Slonimskiy… - International Journal of …, 2024 - Elsevier
Abstract The Orange Carotenoid Protein (OCP) is a unique photoreceptor crucial for
cyanobacterial photoprotection. Best studied Synechocystis sp. PCC 6803 OCP belongs to …

Photoactivation of the orange carotenoid protein requires two light-driven reactions mediated by a metastable monomeric intermediate

JB Rose, JA Gascón, M Sutter, DI Sheppard… - Physical Chemistry …, 2023 - pubs.rsc.org
The orange carotenoid protein (OCP) functions as a sensor of the ambient light intensity and
as a quencher of bilin excitons when it binds to the core of the cyanobacterial …

The role of the local environment on the structural heterogeneity of carotenoid β-ionone rings

RY Pishchalnikov, IA Yaroshevich, DV Zlenko… - Photosynthesis …, 2023 - Springer
Our analysis of the X-ray crystal structure of canthaxanthin (CAN) showed that its ketolated β-
ionone rings can adopt two energetically equal, but structurally distinct puckers. Quantum …

Microalgal protein AstaP is a potent carotenoid solubilizer and delivery module with a broad carotenoid binding repertoire

YB Slonimskiy, NA Egorkin, T Friedrich… - The FEBS …, 2022 - Wiley Online Library
Carotenoids are lipophilic substances with many biological functions, from coloration to
photoprotection. Being potent antioxidants, carotenoids have multiple biomedical …

A primordial orange carotenoid protein: structure, photoswitching activity and evolutionary aspects

YB Slonimskiy, AO Zupnik, LA Varfolomeeva… - International Journal of …, 2022 - Elsevier
Cyanobacteria are photosynthesizing prokaryotes responsible for the Great Oxygenation
Event on Earth~ 2.5 Ga years ago. They use a specific photoprotective mechanism based on …

Light activation of Orange Carotenoid Protein reveals bicycle-pedal single-bond isomerization

VU Chukhutsina, JM Baxter, A Fadini… - Nature …, 2022 - nature.com
Orange Carotenoid protein (OCP) is the only known photoreceptor which uses carotenoid
for its activation. It is found exclusively in cyanobacteria, where it functions to control light …

The Orange Carotenoid Protein triggers cyanobacterial photoprotection by quenching bilins via a structural switch of Its carotenoid

N Liguori, IHM van Stokkum… - Journal of the …, 2024 - ACS Publications
Cyanobacteria were the first microorganisms that released oxygen into the atmosphere
billions of years ago. To do it safely under intense sunlight, they developed strategies that …

Unifying Perspective of the Ultrafast Photodynamics of Orange Carotenoid Proteins from Synechocystis: Peril of High-Power Excitation, Existence of Different S …

S Niziński, A Wilson, LM Uriarte, C Ruckebusch… - JACS Au, 2022 - ACS Publications
A substantial number of Orange Carotenoid Protein (OCP) studies have aimed to describe
the evolution of singlet excited states leading to the formation of a photoactivated form …

Evidence of Excited-State Vibrational Mode Governing the Photorelaxation of a Charge-Transfer Complex

F Coppola, P Cimino, A Petrone… - The Journal of Physical …, 2024 - ACS Publications
Modern, nonlinear, time-resolved spectroscopic techniques have opened new doors for
investigating the intriguing but complex world of photoinduced ultrafast out-of-equilibrium …