Automated description from the Alliance of Genome Resources (Release 5.4.0)
Enables galactosylgalactosylxylosylprotein 3-beta-glucuronosyltransferase activity. Involved in glycosaminoglycan biosynthetic process. Predicted to be located in endoplasmic reticulum membrane. Predicted to be active in Golgi membrane. Is expressed in several structures, including nervous system and neural retina. Orthologous to human B3GAT1 (beta-1,3-glucuronyltransferase 1).