Catalytic accelerations of 10-fold by an enzyme-like synthetic polymer
- PMID: 16592004
- PMCID: PMC426890
- DOI: 10.1073/pnas.69.8.2155
Catalytic accelerations of 10-fold by an enzyme-like synthetic polymer
Abstract
A synthetic polymer, polyethyleneimine containing dodecyl (C(12)H(25))-chains for binding sites and imidazole moieties for functional catalytic groups, catalyzes the hydrolysis of phenolic sulfate esters by a two-step mechanism resembling that of the corresponding natural enzyme. Quantitative rate studies give kinetic parameters that show that the polymer (synzyme) accelerates the rate 10(12)-fold compared to unbound imidazole, and 10(2)-fold compared to a type IIA aryl sulfatase enzyme.
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