Selective demethylation reactions of biomass-derived aromatic ether polymers for bio-based lignin chemicals

FM Harth, B Hočevar, TR Kozmelj, EJ Grojzdek… - Green …, 2023 - pubs.rsc.org
The selective demethylation of aryl methyl ethers is a reaction of high relevance both in the
context of deprotection in organic syntheses as well as in the modification of lignin and lignin …

Natural alternative heme-environments allow efficient peroxygenase activity by cytochrome P450 monooxygenases

AC Ebrecht, MS Smit, DJ Opperman - Catalysis Science & Technology, 2023 - pubs.rsc.org
Cytochrome P450 monooxygenases (CYPs) are biocatalysts able to catalyze a variety of
regio-and stereoselective oxyfunctionalization reactions using an iron (IV)-oxo porphyrin pi …

Engineering Peroxygenase Activity into Cytochrome P450 Monooxygenases through Modification of the Oxygen Binding Region

MN Podgorski, J Akter, LR Churchman, JB Bruning… - ACS …, 2024 - ACS Publications
Cytochrome P450 enzymes (CYPs) are biocatalysts for the generation of fine chemicals
including natural products, drug metabolites, and flavor and fragrance compounds …

Efficient biocatalytic C–H bond oxidation: an engineered heme-thiolate peroxygenase from a thermostable cytochrome P450

AR Gee, ISJ Stone, TP Stockdale, TL Pukala… - Chemical …, 2023 - pubs.rsc.org
A highly sought after reaction in chemical synthesis is the activation of unactivated carbon–
hydrogen bonds. We demonstrate the hydroxylation of fatty acids using an engineered …

[HTML][HTML] Efficient lignin biodegradation triggered by alkali-tolerant ligninolytic bacteria through improving lignin solubility in alkaline solution

Z Xu, J Li, P Li, C Cai, S Chen, B Ding, S Liu… - Journal of Bioresources …, 2023 - Elsevier
Low lignin solubility in aqueous solution is one of the major bottlenecks for lignin
biodegradation and bioconversion. Alkaline solution contributes to improving lignin …

Machine learning-aided engineering of a cytochrome P450 for optimal bioconversion of lignin fragments

AHS Dias, Y Cao, MS Skaf, SP De Visser - Physical Chemistry …, 2024 - pubs.rsc.org
Using machine learning, molecular dynamics simulations, and density functional theory
calculations we gain insight into the selectivity patterns of substrate activation by the …

Efficient regio-and stereo-selective C–H bond hydroxylation of steroids using an engineered heme-thiolate peroxygenase biocatalyst

J Akter, EF Hayball, SG Bell - Catalysis Science & Technology, 2023 - pubs.rsc.org
A crucial reaction in chemical synthesis is the activation of unactivated carbon–hydrogen
bonds in complex molecules. We demonstrate the regio-and stereo-selective hydroxlation of …

Molecular Basis for the P450-Catalyzed sp3 C–N Glycosidic Bond Formation in Staurosporine Biosynthesis

F Xiao, TP Zhou, S Dong, T Li, CH Yun, Y Feng… - ACS …, 2024 - ACS Publications
Selective C (sp 3)–H bond activation and functionalization into a C–N bond has been one of
the major challenges facing the pharmaceutical and fine chemical industries. Being the …

An In Crystallo Reaction with an Engineered Cytochrome P450 Peroxygenase

JHZ Lee, JB Bruning, SG Bell - Chemistry–A European Journal, 2024 - Wiley Online Library
The cytochrome P450 monooxygenases (CYPs) are a class of heme‐thiolate enzymes that
insert oxygen into unactivated C− H bonds. These enzymes can be converted into …

[HTML][HTML] Characterisation of the heme aqua-ligand coordination environment in an engineered peroxygenase cytochrome P450 variant

MN Podgorski, JHZ Lee, JS Harbort… - Journal of Inorganic …, 2023 - Elsevier
The cytochrome P450 enzymes (CYPs) are heme-thiolate monooxygenases that catalyse
the insertion of an oxygen atom into the C–H bonds of organic molecules. In most CYPs, the …