EAN: 9783642731020

CHEMICAL PHYSICS OF REDOX METALLOENZYME CATALYS...

Chemical physics is a science of the physical foundations of chemical transformations (N. N.
Semenov). The main objective of chemical physics is to disclose the detailed mechanism of
chemical reactions and to learn to control these processes. The physico-chemical approach
hinges upon the extensive application of methods of molecular physics and chemical kinetics.
Based originally on simple gas-phase processes  chemical physics gradually extended its sphere
of interest to liquid-phase reactions and to processes taking place in solids  including
polymers. At present  we witness the fact that the ideas and methods of this science penetrate
deeper and deeper into modern molecular biology  including enzyme catalysis. This monograph
treats  from the standpoint of modern chemical physics  the principal general and individual
features of the structure and mechanism of action of various classes of oxidation-reduction
(redox) metalloenzymes. There are several reasons for which this branch of science attracts the
attention of specialists in various fields - from biologists and those working in medicine to
chemists and theoretical physicists. First of all  is the enormous biological and biochemical
importance of processes catalyzed by metalloenzymes. These include biological ox idation with
oxygen  oxidative and photo-phosphorylation  atmospheric nitrogen fixation  assimilation of
nitrates and sulphites  phototransport of electrons  hydrogen evolution and hydrogenation and
photo-oxida tion of water  which is far from a complete list of such processes.

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