Mechanistic Diversity of Radical S-Adenosylmethionine (SAM)-dependent Methylation

DOI: 10.1074/jbc.r114.607044 Authors: Matthew Bauerle, Erica L. Schwalm, Squire J. Booker Abstract: Radical S-adenosylmethionine (SAM) enzymes use the oxidizing power of a 5′-deoxyadenosyl 5′-radical to initiate an amazing array of transformations, usually...

Energy Transduction in Nitrogenase

DOI: 10.1021/acs.accounts.8b00112 Authors: Lance C. Seefeldt, Brian M. Hoffman, John W. Peters, Simone Raugei, David N. Beratan, Edwin Antony, Dennis R. Dean Abstract: Nitrogenase is a complicated two-component enzyme system that uses ATP binding and hydrolysis energy...

Regulation of Photosynthetic Induction State by the Magnitude and Duration of Low Light Exposure

DOI: 10.1104/pp.105.4.1115 Authors: Gretchen F. Sassenrath, Robert W. Pearcy Abstract: This study was undertaken to examine the dependence of the regulatory enzymes of photosynthetic induction on photon flux density (PFD) exposure in soybean (Glycine max L.). The...

Preliminary study of water and some element contents in boar spermatozoa, before, during and after freezing

DOI: 10.1530/jrf.0.0870613 Authors: J.L. Courtens, H. Ekwall, M. Paquignon, L. Plöen Abstract: Boar semen was analysed by electron microscopy coupled to image analysis and X-ray energy dispersive spectroscopy, during the usual process for freezing and thawing in field...

A Tryptophan Neutral Radical in the Oxidized State of Versatile Peroxidase from Pleurotus eryngii

DOI: 10.1074/jbc.m510424200 Authors: Rebecca Pogni, Maria Camilla Baratto, Christian Teutloff, Stefania Giansanti, Francisco J. Ruiz‐Dueñas, Thomas Choinowski, Klaus Piontek, Ángel T. Martı́nez, Friedhelm Lendzian, Riccardo Basosi Abstract: Versatile peroxidases are...