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Medical Definition of Multienzyme complex
1. Cluster of distinct enzymes catalysing consecutive reactions of a metabolic pathway, that remain physically associated through purification procedures. Multifunctional enzymes, found in eukaryotes, are a somewhat different phenomenon, since the several enzymic activities are associated with different domains of a single polypeptide. This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)