##gff-version 3 Q9KXR8 UniProtKB Chain 1 278 . . . ID=PRO_0000134634;Note=Orotidine 5'-phosphate decarboxylase Q9KXR8 UniProtKB Active site 96 96 . . . Note=Proton donor;Ontology_term=ECO:0000250;evidence=ECO:0000250