Photocycle of a cyanobacteriochrome: a charge defect on ring C impairs conjugation in chromophore

L Köhler, W Gärtner, G Salvan, J Matysik… - Chemical …, 2023 - pubs.rsc.org
A large number of novel phytochromes named cyanobacteriochromes (CBCRs) have been
recently identified. CBCRs appear to be attractive for further in-depth studies as paradigms …

Protein–chromophore interactions controlling photoisomerization in red/green cyanobacteriochromes

NC Rockwell, MV Moreno, SS Martin… - Photochemical & …, 2022 - Springer
Photoreceptors in the phytochrome superfamily use 15, 16-photoisomerization of a linear
tetrapyrrole (bilin) chromophore to photoconvert between two states with distinct spectral …

Light-and pH-dependent structural changes in cyanobacteriochrome AnPixJg2

S Altmayer, L Köhler, P Bielytskyi, W Gärtner… - Photochemical & …, 2022 - Springer
Cyanobacteriochromes (CBCRs) are phytochrome-related photosensory proteins that play
an essential role in regulating phototaxis, chromatic acclimation, and cell aggregation in …

Rotameric Heterogeneity of Conserved Tryptophan Is Responsible for Reduced Photochemical Quantum Yield in Cyanobacteriochrome Slr1393g3

L Köhler, F Trunk, V Rohr, T Fischer… - …, 2024 - Wiley Online Library
The red/green cyanobacteriochrome (CBCR) slr1393g3 exhibits a quantum yield of only 8%
for its forward photoconversion, significantly lower than other species from the same CBCR …

Computational identification of key residues regulating fluorescence emission in a red/green cyanobacteriochrome

P Kannan, J Oh, YJ Yeon, YI Park… - Proteins: Structure …, 2024 - Wiley Online Library
Cyanobacteriochromes (CBCRs) are linear tetrapyrrole bilin‐binding photoreceptors of
cyanobacteria that exhibit high spectral diversity, gaining attention in optogenetics and …

Biliverdin incorporation into the cyanobacteriochrome SPI1085g3 from Spirulina

XJ Wu, JY Qu, CT Wang, YP Zhang, PP Li - Frontiers in Microbiology, 2022 - frontiersin.org
Cyanobacteriochromes (CBCRs) bind linear tetrapyrrole chromophores, mostly
phycocyanobilin (PCB), and exhibit considerable spectral diversity with a high potential for …