Engineering Fe (II)/α-ketoglutarate-dependent halogenases and desaturases

A Papadopoulou, F Meyer, RM Buller - Biochemistry, 2022 - ACS Publications
Fe (II)/α-ketoglutarate-dependent dioxygenases (α-KGDs) are widespread enzymes in
aerobic biology and serve a remarkable array of biological functions, including roles in …

Chemical modifications of proteins and their applications in metalloenzyme studies

N Naowarojna, R Cheng, J Lopez, C Wong… - Synthetic and systems …, 2021 - Elsevier
Protein chemical modifications are important tools for elucidating chemical and biological
functions of proteins. Several strategies have been developed to implement these …

Nature's machinery, repurposed: expanding the repertoire of iron-dependent oxygenases

NP Dunham, FH Arnold - ACS catalysis, 2020 - ACS Publications
Iron is an especially important redox-active cofactor in biology because of its ability to
mediate reactions with atmospheric O2. Iron-dependent oxygenases exploit this earth …

Enzymatic catalysis favours eight-membered over five-membered ring closure in bicyclomycin biosynthesis

JB He, L Wu, W Wei, S Meng, ZT Liu, X Wu, HX Pan… - Nature Catalysis, 2023 - nature.com
The construction of O-heterocycles is an important step in organic synthesis and
biosynthesis for producing valuable ring compounds. Although enzyme-catalysed five-or six …

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 …

Molecular insights into the endoperoxide formation by Fe (II)/α-KG-dependent oxygenase NvfI

T Mori, R Zhai, R Ushimaru, Y Matsuda, I Abe - Nature Communications, 2021 - nature.com
Endoperoxide-containing natural products are a group of compounds with structurally
unique cyclized peroxide moieties. Although numerous endoperoxide-containing …

Coordination Switch Drives Selective C− S Bond Formation by the Non‐Heme Sulfoxide Synthases

P Wu, Y Gu, L Liao, Y Wu, J Jin, Z Wang… - Angewandte Chemie …, 2022 - Wiley Online Library
The non‐heme iron ergothioneine synthase (EgtB) is a sulfoxide synthase that catalyzes
oxidative C− S bond formation in the synthesis of ergothioneine, which plays roles against …

Structural insight into the catalytic mechanism of the endoperoxide synthase FtmOx1

L Wu, Z Wang, Y Cen, B Wang, J Zhou - Angewandte Chemie, 2022 - Wiley Online Library
Abstract The 2‐oxoglutarate (2OG)‐dependent non‐heme enzyme FtmOx1 catalyzes the
endoperoxide biosynthesis of verruculogen. Although several mechanistic studies have …

Mechanistic analysis of carbon–carbon bond formation by deoxypodophyllotoxin synthase

H Tang, MH Wu, HY Lin, MR Han… - Proceedings of the …, 2022 - National Acad Sciences
Deoxypodophyllotoxin contains a core of four fused rings (A to D) with three consecutive
chiral centers, the last being created by the attachment of a peripheral trimethoxyphenyl ring …

Chemoenzymatic synthesis of 13-oxoverruculogen

J Yang, B Singh, G Cohen, CP Ting - Journal of the American …, 2023 - ACS Publications
Verruculogens are rare fumitremorgin alkaloids that contain a highly unusual eight-
membered endoperoxide. In this paper, we report a concise chemoenzymatic synthesis of …