##gff-version 3 P18240 UniProtKB Chain 1 591 . . . ID=PRO_0000180547;Note=Glucose-6-phosphate isomerase P18240 UniProtKB Active site 380 380 . . . Note=Proton donor;Ontology_term=ECO:0000250;evidence=ECO:0000250 P18240 UniProtKB Active site 411 411 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 P18240 UniProtKB Active site 540 540 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250