##gff-version 3 O66954 UniProtKB Chain 1 320 . . . ID=PRO_0000227793;Note=Bifunctional phosphoglucose/phosphomannose isomerase O66954 UniProtKB Domain 20 153 . . . Note=SIS;Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU00797 O66954 UniProtKB Active site 204 204 . . . Note=Proton acceptor;Ontology_term=ECO:0000250;evidence=ECO:0000250 O66954 UniProtKB Active site 220 220 . . . Note=Proton donor;Ontology_term=ECO:0000250;evidence=ECO:0000250 O66954 UniProtKB Active site 313 313 . . . Note=Proton acceptor;Ontology_term=ECO:0000250;evidence=ECO:0000250