##gff-version 3 Q42942 UniProtKB Chain 1 461 . . . ID=PRO_0000139654;Note=Uridine 5'-monophosphate synthase Q42942 UniProtKB Active site 291 291 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 Q42942 UniProtKB Non-terminal residue 1 1 . . . .