Role of the Zn₁and Zn₂sites in Metallo-β-lactamase L1

DOI: 10.1021/ja8035916 Authors: Zhenxin Hu, Gopalraj Periyannan, Brian Bennett, Michael W. Crowder Abstract: In an effort to probe the role of the Zn(II) sites in metallo-beta-lactamase L1, mononuclear metal ion containing and heterobimetallic analogues of the enzyme...

[7] Freeze-quench and chemical-quench techniques

DOI: 10.1016/s0076-6879(78)54010-x Authors: David P. Ballou Abstract: N/A

Transient Free Radicals in Iron/Oxygen Reconstitution of Mutant Protein R2 Y122F.

DOI: 10.1074/jbc.270.21.12361 Authors: Margareta Sahlin, G. Laßmann, Stephan Pötsch, Britt‐Marie Sjöberg, Astrid Gräslund Abstract: Ferrous iron/oxygen reconstitution of the mutant R2 apoprotein Y122F leads to formation of a diferric center similar to that of the...

Spectroscopic and Mechanistic Studies of Heterodimetallic Forms of Metallo-β-lactamase NDM-1

DOI: 10.1021/ja410376s Authors: Hao Yang, Mahesh Aitha, Amy R. Marts, Alyssa Hetrick, Brian Bennett, Michael W. Crowder, David L. Tierney Abstract: In an effort to characterize the roles of each metal ion in metallo-β-lactamase NDM-1, heterodimetallic analogues...

Critical Comparison of the Superoxide Dismutase-like Activity of Carbon Antioxidant Nanozymes by Direct Superoxide Consumption Kinetic Measurements

DOI: 10.1021/acsnano.9b04229 Authors: Gang Wu, Vladimír Berka, Paul J. Derry, Kimberly Mendoza, Eugenia Kakadiaris, Trenton Roy, Thomas A. Kent, James M. Tour, Ah‐Lim Tsai Abstract: The superoxide dismutase-like activity of poly(ethylene glycolated) hydrophilic carbon...