Blue laccase from Coriolus versicolor and blue and yellow laccases from Panus tigrinus were isolated, purified and studied in acetate buffer solutions, with and without addition of various amounts of ethanol, using syringaldazine and 2,6-dimethoxyphenol as substrates. Effect of ethanol on blue laccases could be successfully described using the mixed inhibition model, over the range of 0–2.5 M ethanol concentrations. Yellow laccase from P. tigrinus behaves differently, which may be explained by the presence of some extra molecules in its structure, which possibly stabilize the enzyme and might be exchanged in ethanol solutions.
Effect of Ethanol on Enzymatic Activity of Fungal Laccases
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J. Rodakiewicz-Nowak, J. Haber, N. Pozdnyakova, A. Leontievsky, L. A. Golovleva; Effect of Ethanol on Enzymatic Activity of Fungal Laccases. Biosci Rep 1 December 1999; 19 (6): 589–600. doi: https://doi.org/10.1023/A:1020223130115
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