##gff-version 3 P58158 UniProtKB Chain 1 335 . . . ID=PRO_0000195177;Note=Galactosylgalactosylxylosylprotein 3-beta-glucuronosyltransferase 3 P58158 UniProtKB Topological domain 1 7 . . . Note=Cytoplasmic;Ontology_term=ECO:0000255;evidence=ECO:0000255 P58158 UniProtKB Transmembrane 8 28 . . . Note=Helical%3B Signal-anchor for type II membrane protein;Ontology_term=ECO:0000255;evidence=ECO:0000255 P58158 UniProtKB Topological domain 29 335 . . . Note=Lumenal;Ontology_term=ECO:0000255;evidence=ECO:0000255 P58158 UniProtKB Region 243 252 . . . Note=Interaction with galactose moiety of substrate glycoprotein;Ontology_term=ECO:0000250;evidence=ECO:0000250 P58158 UniProtKB Region 312 335 . . . Note=Disordered;Ontology_term=ECO:0000256;evidence=ECO:0000256|SAM:MobiDB-lite P58158 UniProtKB Active site 281 281 . . . Note=Proton donor/acceptor;Ontology_term=ECO:0000250;evidence=ECO:0000250 P58158 UniProtKB Binding site 82 84 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 P58158 UniProtKB Binding site 113 113 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 P58158 UniProtKB Binding site 156 156 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 P58158 UniProtKB Binding site 161 161 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 P58158 UniProtKB Binding site 194 196 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 P58158 UniProtKB Binding site 196 196 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 P58158 UniProtKB Binding site 308 310 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 P58158 UniProtKB Site 227 227 . . . Note=Interaction with galactose moiety of substrate glycoprotein;Ontology_term=ECO:0000250;evidence=ECO:0000250 P58158 UniProtKB Site 318 318 . . . Note=Interaction with galactose moiety of substrate glycoprotein;Ontology_term=ECO:0000250;evidence=ECO:0000250 P58158 UniProtKB Glycosylation 300 300 . . . Note=N-linked (GlcNAc...) asparagine;Ontology_term=ECO:0000255;evidence=ECO:0000255 P58158 UniProtKB Disulfide bond 33 33 . . . Note=Interchain;Ontology_term=ECO:0000250;evidence=ECO:0000250