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Laccases with Variable Properties from Different Strains of : Does Glycosylation Matter?

Overview
Journal Int J Mol Sci
Publisher MDPI
Date 2019 Apr 27
PMID 31022851
Citations 7
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Abstract

Laccases are blue multi-copper oxidases with an extensive number of actual and potential industrial applications. It is known that laccases from different fungal strains may vary in properties; however, the reason of this remains unclear. In the current study we have isolated and characterized seven laccases from different strains of obtained from regions of central Russia. Although all seven laccases had the same primary sequences, there was a little variation in their molecular weights and thermostabilities. Moreover, statistically significant differences in laccases' catalytic parameters of oxidation of phenolic substrates and ABTS were observed. After the deglycosylation of four selected laccases by Endo H and PNGase F, their affinities to pyrocatechol and ABTS became the same, suggesting a substantial role of -linked glycosylation in moderation of enzymatic properties of laccases.

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