Term Name:	N-acetylglucosaminyl-proteoglycan 4-beta-glucuronosyltransferase activity
Synonyms:	heparan glucuronyltransferase II activity, N-acetylglucosaminyl-proteoglycan 4-b-glucuronosyltransferase activity, N-acetylglucosaminylproteoglycan beta-1,4-glucuronyltransferase activity, UDP-alpha-D-glucuronate:N-acetyl-alpha-D-glucosaminyl-(1->4)-beta-D-glucuronosyl-proteoglycan 4-beta-glucuronosyltransferase activity
Definition:	Catalysis of the reaction: 3-O-{alpha-D-GlcNAc-[(1->4)-beta-D-GlcA-(1->4)-alpha-D-GlcNAc](n)-(1->4)-beta-D-GlcA-(1->3)-beta-D-Gal-(1->3)-beta-D-Gal-(1->4)-beta-D-Xyl}-L-seryl-[protein] + UDP-alpha-D-glucuronate = 3-O-{[(1->4)-beta-D-GlcA-(1->4)-alpha-D-GlcNAc](n+1)-(1->4)-beta-D-GlcA-(1->3)-beta-D-Gal-(1->3)-beta-D-Gal-(1->4)-beta-D-Xyl}-L-seryl-[protein] + H+ + UDP.
Ontology:	GO: Molecular Function [GO:0050509]    QuickGO    AmiGO