ID 2.4.2.51 DE anthocyanidin 3-O-glucoside 2'''-O-xylosyltransferase. CA an anthocyanidin 3-O-beta-D-glucoside + UDP-alpha-D-xylose = CA an anthocyanidin 3-O-beta-D-sambubioside + 2 H(+) + UDP. CC -!- Isolated from the plants Matthiola incana (stock) and Arabidopsis CC thaliana (mouse-eared cress). CC -!- The enzyme has similar activity with the 3-glucosides of CC pelargonidin, cyanidin, delphinidin, quercetin and kaempferol as well CC as with cyanidin 3-O-rhamnosyl-(1->6)-glucoside and cyanidin 3-O- CC (6-acylglucoside). CC -!- There is no activity with other UDP-sugars or with cyanidin 3,5- CC diglucoside. DR Q9LVW3, AXYLT_ARATH; //