##gff-version 3 P54241 UniProtKB Chain 1 569 . . . ID=PRO_0000180560;Note=Glucose-6-phosphate isomerase%2C cytosolic 2 P54241 UniProtKB Active site 360 360 . . . Note=Proton donor;Ontology_term=ECO:0000250;evidence=ECO:0000250 P54241 UniProtKB Active site 391 391 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 P54241 UniProtKB Active site 516 516 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250