Molecular insights into the regioselectivity of the fe (ii)/2-ketoglutarate-dependent dioxygenase-catalyzed c–h hydroxylation of amino acids

L Wu, J An, X Jing, CC Chen, L Dai, Y Xu, W Liu… - ACS …, 2022 - ACS Publications
l-Isoleucine dioxygenase (IDO) directly catalyzes the C–H bond hydroxylation of several
hydrophobic aliphatic amino acids. However, the ambiguous selectivity of IDO prevents its …

Tungsten Enzyme Using Hydrogen as an Electron Donor to Reduce Carboxylic Acids and NAD+

A Winiarska, D Hege, Y Gemmecker… - ACS …, 2022 - ACS Publications
Tungsten-dependent aldehyde oxidoreductases (AORs) catalyze the oxidation of aldehydes
to acids and are the only known enzymes reducing non-activated acids using electron …

Electrocatalytic Aldehyde Oxidation by a Tungsten Dependent Aldehyde Oxidoreductase from Aromatoleum Aromaticum

P Kalimuthu, D Hege, A Winiarska… - … A European Journal, 2023 - Wiley Online Library
In contrast to their molybdenum dependent relatives, tungsten enzymes operate at
significantly lower redox potentials, and in some cases they can carry out reversible redox …

Modeling the initiation phase of the catalytic cycle in the glycyl-radical enzyme benzylsuccinate synthase

M Szaleniec, G Oleksy, A Sekuła, I Aleksić… - The Journal of …, 2024 - ACS Publications
The reaction of benzylsuccinate synthase, the radical-based addition of toluene to a
fumarate cosubstrate, is initiated by hydrogen transfer from a conserved cysteine to the …

Inactive pseudoenzyme subunits in heterotetrameric BbsCD, a novel short‐chain alcohol dehydrogenase involved in anaerobic toluene degradation

S von Horsten, ML Lippert, Y Geisselbrecht… - The FEBS …, 2022 - Wiley Online Library
Anaerobic toluene degradation proceeds by fumarate addition to produce (R)‐
benzylsuccinate as first intermediate, which is further degraded via β‐oxidation by five …

A Synthetic Pathway for the Production of Benzylsuccinate in Escherichia coli

J Mock, K Schühle, U Linne, M Mock, J Heider - Molecules, 2024 - mdpi.com
(R)-Benzylsuccinate is generated in anaerobic toluene degradation by the radical addition
of toluene to fumarate and further degraded to benzoyl-CoA by a β-oxidation pathway. Using …

Geometric Remodeling of Nitrilase Active Pocket Based on ALF-Scanning Strategy To Enhance Aromatic Nitrile Substrate Preference and Catalytic Efficiency

ZK Wang, JS Gong, DT Feng, C Su, H Li… - Applied and …, 2023 - Am Soc Microbiol
Nitrilase can catalyze nitrile compounds to generate corresponding carboxylic acids.
Nitrilases as promiscuous enzymes can catalyze a variety of nitrile substrates, such as …

Finis tolueni: a new type of thiolase with an integrated Zn‐finger subunit catalyzes the final step of anaerobic toluene metabolism

S Weidenweber, K Schühle, ML Lippert… - The FEBS …, 2022 - Wiley Online Library
Anaerobic toluene degradation involves β‐oxidation of the first intermediate (R)‐2‐
benzylsuccinate to succinyl‐CoA and benzoyl‐CoA. Here, we characterize the last enzyme …

A pH-dependent shift of redox cofactor specificity in a benzyl alcohol dehydrogenase of aromatoleum aromaticum EbN1

Y Gemmecker, A Winiarska, D Hege, J Kahnt… - Applied Microbiology …, 2024 - Springer
We characterise a reversible bacterial zinc-containing benzyl alcohol dehydrogenase
(BaDH) accepting either NAD+ or NADP+ as a redox cofactor. Remarkably, its redox …

Development of an in vitro method for activation of X-succinate synthases for fumarate hydroalkylation

MC Andorfer, DT King-Roberts, CN Imrich… - Iscience, 2023 - cell.com
Anaerobic microbial degradation of hydrocarbons is often initiated through addition of the
hydrocarbon to fumarate by enzymes known as X-succinate synthases (XSSs). XSSs use a …