. "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." . . "luteolin-7-O-glucuronide 7-O-glucuronosyltransferase activity" . "LMT activity" . "luteolin-7-O-glucuronide 2''-O-glucuronosyltransferase activity" . "UDP-glucuronate:luteolin 7-O-glucuronide-glucuronosyltransferase activity" . "UDP-glucuronate:luteolin-7-O-beta-D-glucuronide 2''-O-glucuronosyltransferase activity" . "uridine diphosphoglucuronate-luteolin 7-O-glucuronide glucuronosyltransferase activity" . .