##gff-version 3 Q68XV7 UniProtKB Chain 1 462 . . . ID=PRO_0000286457;Note=3-deoxy-D-manno-octulosonic acid transferase Q68XV7 UniProtKB Transmembrane 2 22 . . . Note=Helical%3B Signal-anchor;Ontology_term=ECO:0000255;evidence=ECO:0000255 Q68XV7 UniProtKB Domain 47 90 . . . Note=RPE1 insert Q68XV7 UniProtKB Active site 104 104 . . . Note=Proton acceptor;Ontology_term=ECO:0000250;evidence=ECO:0000250 Q68XV7 UniProtKB Binding site 308 309 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 Q68XV7 UniProtKB Binding site 349 351 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 Q68XV7 UniProtKB Binding site 374 377 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 Q68XV7 UniProtKB Site 174 174 . . . Note=Transition state stabilizer;Ontology_term=ECO:0000250;evidence=ECO:0000250 Q68XV7 UniProtKB Site 249 249 . . . Note=Transition state stabilizer;Ontology_term=ECO:0000250;evidence=ECO:0000250