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Table 3 Enzyme activity on HQ in the presence of phenolic inhibitors of HQDO

From: Purification and characterization of hydroquinone dioxygenase from Sphingomonas sp. strain TTNP3

Inhibitor Activity (%) Inhibitor concentration (μM) SD (%)
4-Hydroxybenzoate 46 200 0.4
3,4-Dihydroxybenzoate 94 200 4.6
4-Hydroxybenzylcyanide <1 200 0.3
  3 20 0.3
  16 2 0.2
Aminobenzoic acid 93 200 1.2
Vanillin 7 200 2.2
  18 100 7.4
Vanillyl alcohol 62 200 1.0
Vanillate 86 200 1.0
4-Coumaric acid 97 200 1.9
Caffeic acid 98 80 2.5
Phenol 98 200 1.7
Catechol 93 200 1.3
Resorcinol 99 200 0.5
4-Nitrophenol 27 200 1.2
4-Mercaptophenol 1 200  
  5 20  
Benzoquinone 3 200 0.9
  16 20 0.3