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Table 1 Kinetic parameters for the oxidation of p-methoxybenzyl alcohol and p-anisaldehyde by AAO in the presence of different H2O2 concentrations

From: Complete oxidation of hydroxymethylfurfural to furandicarboxylic acid by aryl-alcohol oxidase

p-Methoxybenzyl alcohol

p-Anisaldehyde

[H2O2] (mM)

kcat (s−1)

Km (µM)

kcat/Km (s−1mM−1)

[H2O2] (mM)

kcat (min−1)

0

108 ± 3

31.8 ± 3.2

3390 ± 360

0

7.3 ± 0.7

0.5

115 ± 3

44.3 ± 3.5

2600 ± 220

1.0

7.3 ± 0.2

1.0

104 ± 3

33.5 ± 3.4

3100 ± 330

1.5

6.5 ± 0.3

1.9

109 ± 4

35.6 ± 4.3

3060 ± 390

3.1

6.7 ± 0.6

7.7

100 ± 4

33.7 ± 4.5

2970 ± 420

9.3

6.9 ± 0.5

15.5

97 ± 3

31.0 ± 2.6

3120 ± 280

12.3

6.9 ± 0.1

  1. Activity was followed by measuring aldehyde formation (in p-methoxybenzyl alcohol oxidation) or acid formation (in p-anisaldehyde oxidation). Turnovers for aldehyde oxidation were calculated at saturating concentration of p-anisaldehyde (~ 5 mM) at 25 °C in air-saturated (0.256 mM O2) 50 mM sodium phosphate, pH 6.0