Conserved arginine-516 of Penicillium amagasakiense glucose oxidase is essential for the efficient binding of beta-D-glucose.


The effects of mutation of key conserved active-site residues (Tyr-73, Phe-418, Trp-430, Arg-516, Asn-518, His-520 and His-563) of glucose oxidase from Penicillium amagasakiense on substrate binding were investigated. Kinetic studies on the oxidation of beta-D-glucose combined with molecular modelling showed the side chain of Arg-516, which forms two… (More)


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