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Table 2 Substrate specificity of HQDO of Sphingomonas sp. strain TTNP3 (relative rate of oxygen consumption with 200 μM substrate compared to HQ as substrate)

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

Substrate (200 μM) Activity (%) SD (%)
Hydroquinone 100 12.8
Chlorohydroquinone 29 0.8
2-Methoxyhydroquinone 59 6.7
2-Methylhydroquinone 139 9.3
2-Ethylhydroquinone 83 4.3
2-Propylhydroquinone 23 2.6
2-t-Butylhydroquinone 5 0.6
2-Pentylhydroquinone 19 1.1
2-Hexylhydroquinone <2 1.1
2-(1-methyl-1-octyl)-hydroquinone <2 0.5