ID 2.4.1.181 DE hydroxyanthraquinone glucosyltransferase. CA UDP-glucose + an hydroxyanthraquinone = UDP + a glucosyloxyanthraquinone. CC -!- A range of anthraquinones and some flavones can act as acceptors; CC best substrates are emodin, anthrapurpurin, quinizarin, 2,6- CC dihydroxyanthraquinone and 1,8-dihydroxyanthraquinone. //