##gff-version 3 Q8K9D8 UniProtKB Chain 1 120 . . . ID=PRO_0000057921;Note=6-carboxy-5%2C6%2C7%2C8-tetrahydropterin synthase Q8K9D8 UniProtKB Active site 26 26 . . . Note=Proton acceptor;Ontology_term=ECO:0000250;evidence=ECO:0000250 Q8K9D8 UniProtKB Active site 70 70 . . . Note=Charge relay system;Ontology_term=ECO:0000250;evidence=ECO:0000250 Q8K9D8 UniProtKB Active site 109 109 . . . Note=Charge relay system;Ontology_term=ECO:0000250;evidence=ECO:0000250 Q8K9D8 UniProtKB Binding site 15 15 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 Q8K9D8 UniProtKB Binding site 30 30 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 Q8K9D8 UniProtKB Binding site 32 32 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250