##gff-version 3 Q925U2 UniProtKB Chain 1 150 . . . ID=PRO_0000378088;Note=Leukotriene C4 synthase Q925U2 UniProtKB Topological domain 1 6 . . . Note=Cytoplasmic;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q16873 Q925U2 UniProtKB Transmembrane 7 27 . . . Note=Helical;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q16873 Q925U2 UniProtKB Topological domain 28 48 . . . Note=Lumenal;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q16873 Q925U2 UniProtKB Transmembrane 49 69 . . . Note=Helical;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q16873 Q925U2 UniProtKB Topological domain 70 73 . . . Note=Cytoplasmic;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q16873 Q925U2 UniProtKB Transmembrane 74 94 . . . Note=Helical;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q16873 Q925U2 UniProtKB Topological domain 95 104 . . . Note=Lumenal;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q16873 Q925U2 UniProtKB Transmembrane 105 124 . . . Note=Helical;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q16873 Q925U2 UniProtKB Topological domain 125 150 . . . Note=Cytoplasmic;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q16873 Q925U2 UniProtKB Active site 31 31 . . . Note=Proton donor;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q16873 Q925U2 UniProtKB Active site 104 104 . . . Note=Proton acceptor;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q16873 Q925U2 UniProtKB Binding site 30 30 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q16873 Q925U2 UniProtKB Binding site 51 55 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q16873 Q925U2 UniProtKB Binding site 58 59 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q16873 Q925U2 UniProtKB Binding site 93 97 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q16873 Q925U2 UniProtKB Modified residue 36 36 . . . Note=Phosphoserine;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q16873 Q925U2 UniProtKB Sequence conflict 14 14 . . . Note=L->V