Horseradish Peroxidase Isozyme C: A Comparative Study of Native and Recombinant Enzyme Produced by E. coli Transformantsa
- 1 June 1994
- journal article
- Published by Wiley in Annals of the New York Academy of Sciences
- Vol. 721 (1) , 73-81
- https://doi.org/10.1111/j.1749-6632.1994.tb47378.x
Abstract
The purification and refolding of the recombinant horseradish peroxidase produce by E. coli transformants are described. The recombinant enzyme is of 34 kDa and has an isozyme spectrum similar to Sigma type VI horseradish peroxidase. The specific activity of the refolded peroxidase is of about 2000 U/mg with ABTS as a substrate. The recombinant and native enzyme are similar with respect to their catalytic properties in the reaction of enhanced chemiluminescence. Operational and thermal stability of the refolded peroxidase is two to three times lower than for the native one.Keywords
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