##gff-version 3 Q04NB4 UniProtKB Chain 1 271 . . . ID=PRO_1000138954;Note=Orotidine 5'-phosphate decarboxylase Q04NB4 UniProtKB Active site 97 97 . . . Note=Proton donor;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_01215