Oxoferryl-Porphyrin Radical Catalytic Intermediate in Cytochrome bd Oxidases Protects Cells from Formation of Reactive Oxygen Species

DOI: 10.1074/jbc.m111.333542 Authors: Angela Paulus, Sebastiaan Gijsbertus Hendrik Rossius, M. B. van Dijk, Simon de Vries Abstract: The quinol-linked cytochrome bd oxidases are terminal oxidases in respiration. These oxidases harbor a low spin heme b(558) that...

Unraveling the biocatalytic mechanism of dipeptide formation using QM/MM and stopped-flow kinetic experiments

DOI: 10.1016/j.foodchem.2026.148931 Authors: Srinivasan Vinju Vasudevan, Pattabiraman Krishnamurthi, Jung-Kul Lee Abstract: N/A

Kinetic and Spectroscopic Characterization of a Hydroperoxy Compound in the Reaction of Native Myoglobin with Hydrogen Peroxide

DOI: 10.1074/jbc.m210383200 Authors: Tsuyoshi Egawa, Shiro Yoshioka, Satoshi Takahashi, Hiroshi Hori, Shingo Nagano, Hideo Shimada, Koichiro Ishimori, Isao Morishima, Makoto Suematsu, Yuzuru Ishimura Abstract: The reaction of metmyoglobin with H2O2 was investigated in...

Redox Properties of Human Endothelial Nitric-oxide Synthase Oxygenase and Reductase Domains Purified from Yeast Expression System

DOI: 10.1074/jbc.m209606200 Authors: Mei Du, Hui-Chun Yeh, Vladimír Berka, Lee-Ho Wang, Ah‐Lim Tsai Abstract: Characterization of the redox properties of endothelial nitric-oxide synthase (eNOS) is fundamental to understanding the complicated reaction mechanism of...

Spectroscopic Investigation of the Activation of a Chromium-Pyrrolyl Ethene Trimerization Catalyst

DOI: 10.1021/acscatal.8b03414 Authors: Bas Venderbosch, Jean‐Pierre H. Oudsen, Lukas A. Wolzak, David James Martin, Ties J. Korstanje, Moniek Tromp Abstract: 1-Hexene is an important α-olefin for polyethylene production and is produced from ethene. Recent developments...