Mutual synergy between catalase and peroxidase activities of the bifunctional enzyme KatG is facilitated by electron hole-hopping within the enzyme

DOI: 10.1074/jbc.m117.791202 Authors: Olive J. Njuma, Ian Davis, Elizabeth N. Ndontsa, Jessica R. Krewall, Aimin Liu, Douglas C. Goodwin Abstract: KatG is a bifunctional, heme-dependent enzyme in the front-line defense of numerous bacterial and fungal pathogens...

Mechanism of Carbon Monoxide Oxidation by the Carbon Monoxide Dehydrogenase/Acetyl-CoA Synthase from Clostridium thermoaceticum:  Kinetic Characterization of the Intermediates

DOI: 10.1021/bi970590m Authors: Javier Seravalli, Manoj Kumar, Wei-Ping Lu, Stephen W. Ragsdale Abstract: Carbon monoxide dehydrogenase/acetyl-CoA synthase (CODH/ACS) from Clostridium thermoaceticum catalyzes (i) the synthesis of acetyl-CoA from a methylated corrinoid...

Long-range proton-coupled electron transfer in the Escherichia coli class Ia ribonucleotide reductase

DOI: 10.1042/ebc20160072 Authors: Steven Y. Reece, Mohammad R. Seyedsayamdost Abstract: Escherichia coli class Ia ribonucleotide reductase (RNR) catalyzes the conversion of nucleotides to 2′-deoxynucleotides using a radical mechanism. Each turnover requires...

Water and time dependent interaction of iron(III) with indole-3-acetic acid

DOI: 10.1007/s11224-007-9259-6 Authors: Krisztina Kovács, Virender K. Sharma, Alexander A. Kamnev, Э. Кузманн, Z. Homonnay, A. Vértes Abstract: N/A

Characterization of the Intramolecular Electron Transfer Pathway from 2-Hydroxyphenazine to the Heterodisulfide Reductase fromMethanosarcina thermophila

DOI: 10.1074/jbc.m004809200 Authors: Eisuke Murakami, Uwe Deppenmeier, Stephen W. Ragsdale Abstract: Heterodisulfide reductase (HDR) is a component of the energy-conserving electron transfer system in methanogens. HDR catalyzes the two-electron reduction of coenzyme...