label: luteolin-7-O-glucuronide 7-O-glucuronosyltransferase activity
label_lc: luteolin-7-o-glucuronide 7-o-glucuronosyltransferase activity
description: "Catalysis of the reaction: luteolin 7-O-beta-D-glucosiduronate + UDP-alpha-D-glucuronate = H+ + luteolin 7-O-[(beta-D-glucosiduronate)-(1->2)-(beta-D-glucosiduronate)] + UDP."