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 …

Free radical mechanisms in enzymology

PA Frey, AD Hegeman, GH Reed - Chemical reviews, 2006 - ACS Publications
The past 15 years have seen an explosive growth in the number of enzymatic reactions
found to proceed by mechanisms involving free radicals as intermediates. One of us learned …

The mechanism for isopenicillin N synthase from density-functional modeling highlights the similarities with other enzymes in the 2-His-1-carboxylate family

M Lundberg, PEM Siegbahn, K Morokuma - Biochemistry, 2008 - ACS Publications
Isopenicillin N synthase (IPNS) catalyzes a key step in the biosynthesis of the important β-
lactam antibiotics penicillins and cephalosporins. Density-functional calculations with the …

β‐Lactam antibiotics

SA Testero, JF Fisher… - … medicinal chemistry and …, 2003 - Wiley Online Library
The β‐lactam classes of antibacterials are preeminent in the treatment of bacterial infection
due to their unparalleled clinical efficacy and clinical safety. Following the discovery of the …

Structural analysis of metal sites in proteins: non-heme iron sites as a case study

C Andreini, I Bertini, G Cavallaro… - Journal of molecular …, 2009 - Elsevier
In metalloproteins, the protein environment modulates metal properties to achieve the
required goal, which can be protein stabilization or function. The analysis of metal sites at …

Cyclobutanone Analogues of β‐Lactam Antibiotics: β‐Lactamase Inhibitors with Untapped Potential?

P Devi, PJ Rutledge - ChemBioChem, 2017 - Wiley Online Library
Abstract β‐Lactam antibiotics have been used for many years to treat bacterial infections.
However the effective treatment of an increasing range of microbial infections is threatened …

Isopenicillin N synthase mediates thiolate oxidation to sulfenate in a depsipeptide substrate analogue: implications for oxygen binding and a link to nitrile hydratase?

W Ge, IJ Clifton, JE Stok, RM Adlington… - Journal of the …, 2008 - ACS Publications
Isopenicillin N synthase (IPNS) is a nonheme iron oxidase that catalyzes the central step in
the biosynthesis of β-lactam antibiotics: oxidative cyclization of the linear tripeptide δ-l-α …

MetalS3, a database-mining tool for the identification of structurally similar metal sites

Y Valasatava, A Rosato, G Cavallaro… - JBIC Journal of Biological …, 2014 - Springer
We have developed a database search tool to identify metal sites having structural similarity
to a query metal site structure within the MetalPDB database of minimal functional sites …