| GO | Name |
| GO:0001888 | glucuronyl-galactosyl-proteoglycan 4-alpha-N-acetylglucosaminyltransferase activity |
| GO:0005539 | glycosaminoglycan binding |
| GO:0005576 | extracellular region |
| GO:0005654 | nucleoplasm |
| GO:0005783 | endoplasmic reticulum |
| GO:0005789 | endoplasmic reticulum membrane |
| GO:0005829 | cytosol |
| GO:0006044 | N-acetylglucosamine metabolic process |
| GO:0006486 | protein glycosylation |
| GO:0015012 | heparan sulfate proteoglycan biosynthetic process |
| GO:0016021 | integral component of membrane |
| GO:0019276 | UDP-N-acetylgalactosamine metabolic process |
| GO:0030145 | manganese ion binding |
| GO:0035248 | alpha-1,4-N-acetylgalactosaminyltransferase activity |
| GO:0036498 | IRE1-mediated unfolded protein response |
| GO:0047237 | glucuronylgalactosylproteoglycan 4-beta-N-acetylgalactosaminyltransferase activity |