Negative cooperativity in the nitrogenase Fe protein electron delivery cycle

DOI: 10.1073/pnas.1613089113 Authors: Karamatullah Danyal, Sudipta Shaw, Taylor R. Page, Simon Duval, Masaki Horitani, Amy R. Marts, Dmitriy Lukoyanov, Dennis R. Dean, Simone Raugei, Brian M. Hoffman, Lance C. Seefeldt, Edwin Antony Abstract: Nitrogenase catalyzes the...

Three Different Oxygen-induced Radical Species in Endothelial Nitric-oxide Synthase Oxygenase Domain under Regulation by L-Arginine and Tetrahydrobiopterin

DOI: 10.1074/jbc.m404044200 Authors: Vladimír Berka, Gang Wu, Hui-Chun Yeh, Graham Palmer, Ah‐Lim Tsai Abstract: Endothelial nitric-oxide synthase (eNOS) plays important roles in vascular physiology and homeostasis. Whether eNOS catalyzes nitric oxide biosynthesis or...

Transient protein-linked radicals in mutant apoprotein R2 Y122F of ribonucleotide reductase upon activation by Fe(II)/O2 using stopped-flow and freeze-quench EPR spectroscopy

DOI: 10.1016/0162-0134(95)97469-7 Authors: G. Laßmann, Margareta Sahlin, Stephan Pötsch, Britt‐Marie Sjöberg, Astrid Gräslund Abstract: N/A

Overcoming differences: The catalytic mechanism of metallo‐β‐lactamases

DOI: 10.1016/j.febslet.2015.08.015 Authors: María-Rocío Meini, Leticia I. Llarrull, Alejandro J. Vila Abstract: Metallo-β-lactamases are the latest resistance mechanism of pathogenic and opportunistic bacteria against carbapenems, considered as last resort drugs. The...

Probing Electron Transfer in Flavocytochrome P‐450 BM3 and Its Component Domains

DOI: 10.1111/j.1432-1033.1996.0403u.x Authors: Andrew W. Munro, Simon Daff, John R. Coggins, J. Gordon Lindsay, Stephen K. Chapman Abstract: Rapid events in the processes of electron transfer and substrate binding to cytochrome P-450 BM3 from Bacillus megaterium and...