##gff-version 3 O18835 UniProtKB Signal peptide 1 22 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 O18835 UniProtKB Chain 23 651 . . . ID=PRO_0000012158;Note=Beta-glucuronidase O18835 UniProtKB Active site 450 450 . . . Note=Proton donor;Ontology_term=ECO:0000250;evidence=ECO:0000250 O18835 UniProtKB Glycosylation 172 172 . . . Note=N-linked (GlcNAc...) asparagine;Ontology_term=ECO:0000255;evidence=ECO:0000255 O18835 UniProtKB Glycosylation 419 419 . . . Note=N-linked (GlcNAc...) asparagine;Ontology_term=ECO:0000255;evidence=ECO:0000255 O18835 UniProtKB Glycosylation 630 630 . . . Note=N-linked (GlcNAc...) asparagine;Ontology_term=ECO:0000255;evidence=ECO:0000255 O18835 UniProtKB Natural variant 166 166 . . . Note=In MPSVII%3B loss of activity. R->H;Ontology_term=ECO:0000269;evidence=ECO:0000269|PubMed:9521879;Dbxref=PMID:9521879