Predicted to enable galactosylgalactosylxylosylprotein 3-beta-glucuronosyltransferase activity. Predicted to be located in membrane. Is an ortholog of C. elegans sqv-8. In C. elegans, sqv-8 is involved in several processes, including chondroitin sulfate proteoglycan biosynthetic process; egg-laying behavior; and nematode pharynx development.