Dioxygen activation at mononuclear nonheme iron active sites: enzymes, models, and intermediates

M Costas, MP Mehn, MP Jensen, L Que - Chemical reviews, 2004 - ACS Publications
There have been significant advances in our understanding of mononuclear nonheme iron
oxygenases since our 1996 Chemical Reviews article, 1 promoted in large part by the many …

Fe (II)/α-ketoglutarate-dependent hydroxylases and related enzymes

RP Hausinger - Critical reviews in biochemistry and molecular …, 2004 - Taylor & Francis
Fe (II)/α-ketoglutarate (αKG)-dependent hydroxylases catalyze an amazing diversity of
reactions that result in protein side-chain modifications, repair of alkylated DNA/RNA …

Non-heme Fe (IV)–oxo intermediates

C Krebs, D Galonic Fujimori, CT Walsh… - Accounts of chemical …, 2007 - ACS Publications
High-valent non-heme iron–oxo intermediates have been proposed for decades as the key
intermediates in numerous biological oxidation reactions. In the past three years, the first …

Structural studies on 2-oxoglutarate oxygenases and related double-stranded β-helix fold proteins

IJ Clifton, MA McDonough, D Ehrismann… - Journal of inorganic …, 2006 - Elsevier
Mononuclear non-heme ferrous iron dependent oxygenases and oxidases constitute an
extended enzyme family that catalyze a wide range of oxidation reactions. The largest …

The enzymes of β-lactam biosynthesis

RB Hamed, JR Gomez-Castellanos, L Henry… - Natural product …, 2013 - pubs.rsc.org
Covering: up to May 2012The β-lactam antibiotics and related β-lactamase inhibitors are
amongst the most important small molecules in clinical use. Most, but not all, β-lactams …

Enzymatic C–H activation by metal–superoxo intermediates

JM Bollinger Jr, C Krebs - Current opinion in chemical biology, 2007 - Elsevier
The mechanisms of four enzymes that initiate oxidation of their substrates by using mid-
valent metal–superoxo intermediates, rather than the more frequently described high-valent …

Principles and current strategies targeting metallo‐β‐lactamase mediated antibacterial resistance

YH Yan, G Li, GB Li - Medicinal Research Reviews, 2020 - Wiley Online Library
Resistance to β‐lactam antibacterials is commonly associated with the production of the
serine β‐lactamases (SBLs) and/or metallo‐β‐lactamases (MBLs). Although clinically useful …

Substrate activation by iron superoxo intermediates

WA van der Donk, C Krebs, JM Bollinger Jr - Current opinion in structural …, 2010 - Elsevier
A growing number of non-heme-iron oxygenases and oxidases catalyze reactions for which
the well-established mechanistic paradigm involving a single C–H-bond-cleaving …

Bis (pyrazol-1-yl) acetates as Tripodal Heteroscorpionate Ligands in Iron Chemistry: Syntheses and Structures of Iron (II) and Iron (III) Complexes with bpza, bdmpza …

A Beck, A Barth, E Hübner, N Burzlaff - Inorganic chemistry, 2003 - ACS Publications
The molecular structure of the previously reported species “[Fe (bd t bpza) Cl]” has been
revealed by X-ray structure determination to be a ferrous dimer [Fe (bd t bpza) Cl] 2 (2c)[bd t …

Transition States in a Protein Environment− ONIOM QM: MM Modeling of Isopenicillin N Synthesis

M Lundberg, T Kawatsu, T Vreven… - Journal of chemical …, 2009 - ACS Publications
To highlight the role of the protein in metal enzyme catalysis, we optimize ONIOM QM: MM
transition states and intermediates for the full reaction of the nonheme iron enzyme …