1.1.1.56 6 - sugar reduction 287127 1.1.1.56 7 9.5 pH 7.0: about 50% of maximal activity, pH 9.5: about 50% of maximal activity, in phosphate buffer 763625 1.1.1.56 8 - 50% of maximal activity 287125 1.1.1.56 9 11 the enzyme shows about 25% activity at pH 9.0, while at pH 10.5 and 11.0 the activity is 85.6 and 68.11% respectively of that at pH 10.0 738926 1.1.1.56 9.5 10.5 alcohol oxidation 287127 1.1.1.56 10.7 - 50% of maximal activity 287125