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Effect of Single Molecule Fluctuations on the Enzymatic Turnover Rate in Multi‐Molecule Systems
Journal article   Peer reviewed

Effect of Single Molecule Fluctuations on the Enzymatic Turnover Rate in Multi‐Molecule Systems

Nily Dan
The FASEB journal, v 21(5), pp A641-A641
Apr 2007

Abstract

The turnover rate of single enzyme molecules has been found to fluctuate widely. Here we develop a model for the reaction kinetics of fluctuating enzymes and apply it to systems containing <2000 enzyme copies. Using β‐galactosidase as a model, we find that the effects of the individual molecular rate fluctuations persist for long periods of time (order minutes), even in system containing ~1000 molecular copies.

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