How do metalloproteins tame the Fenton reaction and utilize• OH radicals in constructive manners?

B Wang, X Zhang, W Fang, C Rovira… - Accounts of Chemical …, 2022 - ACS Publications
Conspectus This Account describes the manner whereby nature controls the Fenton-type
reaction of O–O homolysis of hydrogen peroxide and harnesses it to carry out various useful …

Unusual dioxygen-dependent reactions catalyzed by nonheme iron enzymes in natural product biosynthesis

R Ushimaru, I Abe - ACS Catalysis, 2022 - ACS Publications
Nonheme iron-dependent enzymatic reactions play crucial roles in building and modifying
bioactive organic molecules in all major classes of natural product pathways. While the …

Three-membered ring formation catalyzed by α-ketoglutarate-dependent nonheme iron enzymes

R Ushimaru - Journal of Natural Medicines, 2024 - Springer
Epoxides, aziridines, and cyclopropanes are found in various medicinal natural products,
including polyketides, terpenes, peptides, and alkaloids. Many classes of biosynthetic …

H-Bonding Networks Dictate the Molecular Mechanism of H2O2 Activation by P450

X Zhang, Y Jiang, Q Chen, S Dong, Y Feng… - ACS …, 2021 - ACS Publications
Understanding the molecular basis for controlled H2O2 activation is of fundamental
importance for peroxide-driven catalysis by metalloenzymes. In addition to O2 activation in …

Stereoselectivity and substrate specificity of the Fe (II)/α-ketoglutarate-dependent oxygenase TqaL

H Tao, R Ushimaru, T Awakawa, T Mori… - Journal of the …, 2022 - ACS Publications
Non-heme iron enzymes are versatile catalysts in the biosynthesis of medicinal natural
products and have attracted increasing attention as practical catalytic tools in chemical …

Probing ferryl reactivity in a nonheme iron oxygenase using an expanded genetic code

FJ Hardy, MG Quesne, EF Gérard, J Zhao… - ACS …, 2024 - ACS Publications
The ability to introduce noncanonical amino acids as axial ligands in heme enzymes has
provided a powerful experimental tool for studying the structure and reactivity of their FeIV═ …

Convergent and divergent biosynthetic strategies towards phosphonic acid natural products

KS Ju, SK Nair - Current opinion in chemical biology, 2022 - Elsevier
The phosphonate class of natural products have received significant interests in the post-
genomic era due to the relative ease with which their biosynthetic genes may be identified …

Biosynthesis of the Fungal Organophosphonate Fosfonochlorin Involves an Iron (II) and 2‐(Oxo) glutarate Dependent Oxacyclase

SR Gama, T Stankovic, K Hupp, A Al Hejami… - …, 2022 - Wiley Online Library
The fungal metabolite Fosfonochlorin features a chloroacetyl moiety that is unusual within
known phosphonate natural product biochemistry. Putative biosynthetic genes encoding …

Spin-Regulated Inner-Sphere Electron Transfer Enables Efficient O—O Bond Activation in Nonheme Diiron Monooxygenase MIOX

J Liu, P Wu, S Yan, Y Li, Z Cao, B Wang - ACS Catalysis, 2021 - ACS Publications
The combined molecular dynamics (MD) simulations and quantum mechanical/molecular
mechanics (QM/MM) calculations have been performed to address the longstanding issue of …

The functional importance of bacterial oxidative phosphonate pathways

K Pallitsch, DL Zechel - Biochemical Society Transactions, 2023 - portlandpress.com
Organophosphonates (Pns) are a unique class of natural products characterized by a highly
stable C–P bond. Pns exhibit a wide array of interesting structures as well as useful …