Abstract
The existence of multifunctional enzymes and of multi-enzymatic complexes that catalyse consecutive reactions of a metabolic pathway is sometimes accompanied by important functional consequences for enzymatic activity regulation. The organisation of enzymes into multifunctional complexes can represent several advantages in vivo, for catalysis and its regulation. One of these consequences is the phenomenon of channelling, in which the product formed in a first reaction is channelled directly to the active site that catalyses the next reaction, thus avoiding the free diffusion of metabolites. This results in an increase in the global reaction rate.
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Yon-Kahn, J., Hervé, G. (2009). Multifunctional Enzymes, Multi-Enzymatic Complexes and Metabolic Channelling. In: Molecular and Cellular Enzymology. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-01228-0_16
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DOI: https://doi.org/10.1007/978-3-642-01228-0_16
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