##gff-version 3 O19183 UniProtKB Signal peptide 1 17 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 O19183 UniProtKB Chain 18 604 . . . ID=PRO_0000023874;Note=Prostaglandin G/H synthase 2 O19183 UniProtKB Domain 18 55 . . . Note=EGF-like;Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU00076 O19183 UniProtKB Active site 193 193 . . . Note=Proton acceptor;Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU00298 O19183 UniProtKB Active site 371 371 . . . Note=For cyclooxygenase activity;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q05769 O19183 UniProtKB Binding site 106 106 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q05769 O19183 UniProtKB Binding site 341 341 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q05769 O19183 UniProtKB Binding site 374 374 . . . Note=Axial binding residue;Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU00298 O19183 UniProtKB Site 516 516 . . . Note=Aspirin-acetylated serine;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P35354 O19183 UniProtKB Modified residue 526 526 . . . Note=S-nitrosocysteine;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P35354 O19183 UniProtKB Glycosylation 53 53 . . . Note=N-linked (GlcNAc...) asparagine;Ontology_term=ECO:0000255;evidence=ECO:0000255 O19183 UniProtKB Glycosylation 130 130 . . . Note=N-linked (GlcNAc...) asparagine;Ontology_term=ECO:0000255;evidence=ECO:0000255 O19183 UniProtKB Glycosylation 396 396 . . . Note=N-linked (GlcNAc...) asparagine;Ontology_term=ECO:0000255;evidence=ECO:0000255 O19183 UniProtKB Glycosylation 580 580 . . . Note=N-linked (GlcNAc...) asparagine;Ontology_term=ECO:0000255;evidence=ECO:0000255 O19183 UniProtKB Disulfide bond 21 32 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q05769 O19183 UniProtKB Disulfide bond 22 145 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q05769 O19183 UniProtKB Disulfide bond 26 42 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q05769 O19183 UniProtKB Disulfide bond 44 54 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q05769 O19183 UniProtKB Disulfide bond 555 561 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q05769