The term "metalloenzyme" refers to a large class of enzymes that use a metal cation as a cofactor in the active site. A wide variety of reactions, including hydrolytic processes and oxidation/reductions, are promoted by the enzymes. Examples include vitamin B-dependent enzymes that transfer methyl groups between molecules, nitrogenases that fix nitrogen from the atmosphere, proteases that cleave amide bonds, phosphodiesterases that cleave phosphate ester bonds, superoxide dismutases that destroy superoxide anion, hydrogenases that encourage the uptake of molecular hydrogen, and ribozymes that go through self-cleaving reactions. 5–9 The metal cation plays a unique role in each of the aforementioned systems by acting as a Lewis acid or a redox partner and enhancing substrate binding, which increases the ground state energy of the reaction partners and facilitates the catalysed reaction.
Stanislaw Dzwigaj
Sorbonne University, France
Dai Yeun Jeong
Asia Climate Change Education Center, Korea, Republic of
Enrico Paris
CREA-IT & DIAEE, Italy
Hanna Kierzkowska Pawlak
Lodz University of Technology, Poland
Ling Yin
Cornell University, United States
Tsitsishvili Vladimer
Petre Melikishvili Institute of Physical and Organic Chemistry at the Tbilisi State University, Georgia
Rafia Ahmad
King Abdullah University of Science and Technology, Saudi Arabia
Eun Han Lee
Korea Institute of Energy Research, Korea, Republic of
Neul Ha
Sungkyunkwan University, Korea, Republic of
Shailza Sharma
RMIT University, AustraliaSubmit your abstract Today
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