2.4.1.203	additional information	no activity with o-hydroxythidiazuron	Phaseolus lunatus	?	-	?	89	
2.4.1.203	additional information	UGT85A1, UGT73C5, and UGT73C1 recognize trans-zeatin and dihydrozeatin, which have an available hydroxyl group for glucosylation and form the O-glucosides	Arabidopsis thaliana	?	-	?	89	
2.4.1.203	additional information	enzyme UGT85A1 is also active with cis-zeatin	Arabidopsis thaliana	?	-	-	89	
2.4.1.203	additional information	enzyme UGT85A1 might also active with cis-zeatin forming 9-O-glucosides, cf. EC 2.4.1.215	Arabidopsis thaliana	?	-	-	89	
2.4.1.203	additional information	the enzyme is also active on steviol. Chemical product analysis reveals that the enzyme forms 13-O-beta-D-glucosyl-steviol and not 19-O-beta-D-glucosyl-steviol	Arabidopsis thaliana	?	-	-	89	
2.4.1.203	UDP-alpha-D-glucose + 2-[3-(but-3-yn-1-yl)-3H-diazirin-3-yl]ethyl 13alpha-hydroxy-8alpha,10alpha-kaur-16-en-18-oate	-	Arabidopsis thaliana	UDP + ?	-	?	458276	
2.4.1.203	UDP-alpha-D-glucose + prop-2-yn-1-yl 13alpha-hydroxy-8alpha,10alpha-kaur-16-en-18-oate	determination and analysis of the substrate binding structure of UGT73C1, model, overview	Arabidopsis thaliana	UDP + ?	-	?	458283	
2.4.1.203	UDP-D-glucose + cis-zeatin	-	Phaseolus lunatus	UDP + O-beta-D-glucosyl-cis-zeatin	-	?	452070	
2.4.1.203	UDP-D-glucose + trans-zeatin	-	Arabidopsis thaliana	UDP + O-beta-D-glucosyl-trans-zeatin	-	?	419179	
2.4.1.203	UDP-galactose + trans-zeatin	-	Phaseolus lunatus	UDP + O-galactosylzeatin	-	?	355038	
2.4.1.203	UDP-glucose + m-topolin	23% of the activity with trans-zeatin	Phaseolus lunatus	UDP + O-beta-D-glucosyl-m-topolin	-	?	378040	
2.4.1.203	UDP-glucose + steviol	determination and analysis of the substrate binding structure of UGT73C1, model, overview	Arabidopsis thaliana	UDP + ?	-	?	458333	
2.4.1.203	UDP-glucose + trans-zeatin	-	Zea mays	UDP + O-beta-D-glucosyl-trans-zeatin	-	?	355036	
2.4.1.203	UDP-glucose + trans-zeatin	-	Nicotiana tabacum	UDP + O-beta-D-glucosyl-trans-zeatin	-	?	355036	
2.4.1.203	UDP-glucose + trans-zeatin	-	Vitis vinifera	UDP + O-beta-D-glucosyl-trans-zeatin	-	?	355036	
2.4.1.203	UDP-glucose + trans-zeatin	-	Phaseolus lunatus	UDP + O-beta-D-glucosyl-trans-zeatin	-	?	355036	
2.4.1.203	UDP-glucose + trans-zeatin	-	Phaseolus vulgaris	UDP + O-beta-D-glucosyl-trans-zeatin	-	?	355036	
2.4.1.203	UDP-glucose + trans-zeatin	-	Glycine max	UDP + O-beta-D-glucosyl-trans-zeatin	-	?	355036	
2.4.1.203	UDP-glucose + trans-zeatin	-	Arabidopsis thaliana	UDP + O-beta-D-glucosyl-trans-zeatin	-	?	355036	
2.4.1.203	UDP-glucose + trans-zeatin	UDP-glucose is the best donor substrate	Phaseolus lunatus	UDP + O-beta-D-glucosyl-trans-zeatin	-	?	355036	
2.4.1.203	UDP-glucose + trans-zeatin	cis-zeatin, ribosylzeatin, and dihydrozeatin are no substrates	Phaseolus lunatus	UDP + O-beta-D-glucosyl-trans-zeatin	-	?	355036	
2.4.1.203	UDP-glucose + trans-zeatin	specific for trans-zeatin	Phaseolus lunatus	UDP + O-beta-D-glucosyl-trans-zeatin	-	?	355036	
2.4.1.203	UDP-glucose + trans-zeatin	-	Arabidopsis thaliana Col-0	UDP + O-beta-D-glucosyl-trans-zeatin	-	?	355036	
2.4.1.203	UDP-glucose + trans-zeatin	-	Brassica napus	UDP + 7-beta-D-glucosyl-trans-zeatin	-	?	457337	
2.4.1.203	UDP-glucose + trans-zeatin	-	Leptosphaeria maculans	UDP + 7-beta-D-glucosyl-trans-zeatin	-	?	457337	
2.4.1.203	UDP-glucose + trans-zeatin	-	Arabidopsis thaliana	UDP + 7-beta-D-glucosyl-trans-zeatin	-	?	457337	
2.4.1.203	UDP-glucose + trans-zeatin	-	Leptosphaeria maculans v23.1.3	UDP + 7-beta-D-glucosyl-trans-zeatin	-	?	457337	
2.4.1.203	UDP-glucose + trans-zeatin	-	Leptosphaeria maculans JN3	UDP + 7-beta-D-glucosyl-trans-zeatin	-	?	457337	
2.4.1.203	UDP-glucose + trans-zeatin	-	Brassica napus	UDP + 9-beta-D-glucosyl-trans-zeatin	-	?	457338	
2.4.1.203	UDP-glucose + zeatin	important in regulating the level of active cytokinin, i.e. zeatin, in plant tissues	Phaseolus lunatus	UDP + O-beta-D-glucosyl-trans-zeatin	-	?	370458	
2.4.1.203	UDP-xylose + dihydrozeatin	-	Phaseolus lunatus	UDP + O-beta-D-xylosyldihydrozeatin	-	?	355039	
2.4.1.203	UDP-xylose + dihydrozeatin	converts dihydrozeatin exclusively with UDP-D-xylose as donor substrates	Phaseolus lunatus	UDP + O-beta-D-xylosyldihydrozeatin	-	?	355039	
2.4.1.203	UDP-xylose + trans-zeatin	-	Phaseolus lunatus	UDP + O-xylosylzeatin	-	?	355037