##gff-version 3 P52030 UniProtKB Chain 1 558 . . . ID=PRO_0000180544;Note=Glucose-6-phosphate isomerase P52030 UniProtKB Active site 362 362 . . . Note=Proton donor;Ontology_term=ECO:0000250;evidence=ECO:0000250 P52030 UniProtKB Active site 393 393 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 P52030 UniProtKB Active site 523 523 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 P52030 UniProtKB Natural variant 12 12 . . . Note=In strain: various strains. P->A P52030 UniProtKB Natural variant 25 25 . . . Note=In strain: various strains. A->G