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Artificial hydrolase using modified dimethyl-β-cyclodextrin (1989)

Ikeda, Hiroshi ; Kojin, Ryoichi ; Yoon, Chul-Joong ; [et al.]

Springer

Journal of inclusion phenomena and macrocyclic chemistry 7 (1989), S. 117-124

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ISSN: 1573-1111

Keywords: Cyclodextrin ; artificial enzyme ; dimethyl-β-cyclodextrin ; chymotrypsin

Source: Springer Online Journal Archives 1860-2000

Topics: Chemistry and Pharmacology

Notes: Abstract The first successful method for modification of dimethyl-β-cyclodextrin (β-DMCD) was demonstrated by the synthesis of a new artificial hydrolase (2) and the enzymatic activities of 2 were investigated.2 caused an 1100-fold increase in the rate of hydrolysis ofp-nitrophenyl acetate at pH 7.2, whereas unmodifiedβ-DMCD depressed the reaction. The kinetic pK a of2 was 7.2, and theK m of2 was independent of pH values.2 hadpara-selectivity for the hydrolysis of nitrophenyl acetate isomers.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF01112789

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