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
Thomas J Webster
Interstellar Therapeutics, United States
Dai Yeun Jeong
Asia Climate Change Education Center, Korea, Republic of
Vladislav Sadykov
Boreskov Institute of Catalysis, Russian Federation
Beatrice Vincenti
Sapienza University of Rome, Italy
Haibo Ge
Texas Tech University, United States
Pengju Wu
School of Energy and Power Engineering Jiangsu University, China
Yaxin Su
Donghua University, China
Isabel Oller Alberola
Plataforma Solar de Almería, Spain
Majed Alamoudi
King Abdulaziz University, Saudi ArabiaSubmit your abstract Today
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