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  • Title: Kinetics of total enzymatic hydrolysis of acetylcholine and acetylthiocholine.
    Author: Zdrazilová P, Stepánková S, Vránová M, Komers K, Komersová A, Cegan A.
    Journal: Z Naturforsch C J Biosci; 2006; 61(3-4):289-94. PubMed ID: 16729592.
    Abstract:
    Kinetics and the mechanism of total in vitro hydrolyses (i.e. up to the exhaustion of substrate) of acetylcholine and acetylthiocholine by acetylcholinesterase and butyrylcholinesterase were studied in vitro in a batch reactor at 25 degrees C, pH 8 and ionic strength of 0.11 M. Every hydrolysis was monitored by 2-3 independent analytical methods. All studied types of enzymatic hydrolyses fulfilled the Michaelis-Menten reaction scheme with the irreversible second step. A table of obtained average values of rate constants and estimations of initial molar enzyme concentrations, and discussion of the results are presented.
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