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2-Chloro-1,4-dimethoxybenzene as a mediator of lignin peroxidase catalyzed oxidations
1Department of Food Technology and Nutritional Sciences, Wageningen Agricultural University, The Netherlands. pauline.teunissen@imb.ftns.wau.nl
FEBS Letters
|December 9, 1998
Abstract:
Poly R478, 4-methoxymandelic acid and oxalic acid were oxidized by lignin peroxidase (LiP) in the presence of the fungal metabolite 2-chloro-1,4-dimethoxybenzene (2Cl-14DMB), whereas no oxidation occurred in the absence of 2Cl-14DMB. These substrates clearly inhibited the consumption of 2Cl-14DMB and the formation of 2-chloro-1,4-benzoquinone from 2Cl-14DMB by LiP. The results suggest that 2Cl-14DMB can replace the function of veratryl alcohol as a redox mediator in lignin peroxidase catalyzed oxidations.