C–H functionalization: thoroughly tuning ligands at a metal ion, a chemist can greatly enhance catalyst's activity and selectivity

GB Shul'pin - Dalton Transactions, 2013 - pubs.rsc.org
This brief essay consists of a few “exciting stories” devoted to relations within a metal-
complex catalyst between a metal ion and a coordinated ligand. When, as in the case of a …

A growing family of O2 activating dinuclear iron enzymes with key catalytic diiron (III)-peroxo intermediates: Biological systems and chemical models

A Trehoux, JP Mahy, F Avenier - Coordination Chemistry Reviews, 2016 - Elsevier
Discovery of soluble methane monooxygenase (sMMO) in 1966 aroused enthusiastic
research on dinuclear iron centers, both in biological systems and chemical models. From …

A family of starch-active polysaccharide monooxygenases

VV Vu, WT Beeson, EA Span… - Proceedings of the …, 2014 - National Acad Sciences
The recently discovered fungal and bacterial polysaccharide monooxygenases (PMOs) are
capable of oxidatively cleaving chitin, cellulose, and hemicelluloses that contain β (1→ 4) …

Copper active site in polysaccharide monooxygenases

VV Vu, ST Ngo - Coordination Chemistry Reviews, 2018 - Elsevier
The increasing demand for the next generation of renewable fuels has driven extensive
research in carbohydrate-active enzymes involved in converting plant biomass to …

Origin of nitric oxide reduction activity in flavo–diiron NO reductase: key roles of the second coordination sphere

J Lu, B Bi, W Lai, H Chen - Angewandte Chemie International …, 2019 - Wiley Online Library
The second coordination sphere constitutes a distinguishing factor in the active site to
modulate enzymatic reactivity. To unravel the origin of NO‐to‐N2O reduction activity of non …

Unprecedented (μ-1,1-Peroxo)diferric Structure for the Ambiphilic Orange Peroxo Intermediate of the Nonheme N-Oxygenase CmlI

AJ Jasniewski, AJ Komor, JD Lipscomb… - Journal of the American …, 2017 - ACS Publications
The final step in the biosynthesis of the antibiotic chloramphenicol is the oxidation of an aryl-
amine substrate to an aryl-nitro product catalyzed by the N-oxygenase CmlI in three two …

Diiron monooxygenases in natural product biosynthesis

AJ Komor, AJ Jasniewski, L Que… - Natural product reports, 2018 - pubs.rsc.org
Covering: up to 2017 The participation of non-heme dinuclear iron cluster-containing
monooxygenases in natural product biosynthetic pathways has been recognized only …

C(sp3)−H Hydroxylation in Diiron β‐Hydroxylase CmlA Transpires by Amine‐Assisted O2 Activation Avoiding FeIV2O2 Species

J Lu, W Lai, H Chen - Angewandte Chemie, 2022 - Wiley Online Library
Through QM/MM modeling, we discovered that C (sp3)− H β‐hydroxylation in the diiron
hydroxylase CmlA transpires by traceless amine‐assisted O2 activation. Different from the …

Structure of a dinuclear iron cluster-containing β-hydroxylase active in antibiotic biosynthesis

TM Makris, CJ Knoot, CM Wilmot, JD Lipscomb - Biochemistry, 2013 - ACS Publications
A family of dinuclear iron cluster-containing oxygenases that catalyze β-hydroxylation
tailoring reactions in natural product biosynthesis by nonribosomal peptide synthetase …

The diiron monooxygenase CmlA from chloramphenicol biosynthesis allows reconstitution of β-hydroxylation during glycopeptide antibiotic biosynthesis

M Kaniusaite, RJA Goode, RB Schittenhelm… - ACS Chemical …, 2019 - ACS Publications
β-Hydroxylation plays an important role in the nonribosomal peptide biosynthesis of many
important natural products, including bleomycin, chloramphenicol, and the glycopeptide …