##gff-version 3 Q6NYR8 UniProtKB Chain 1 307 . . . ID=PRO_0000273358;Note=N-acetylneuraminate lyase Q6NYR8 UniProtKB Active site 143 143 . . . Note=Proton donor;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P0A6L4 Q6NYR8 UniProtKB Active site 173 173 . . . Note=Schiff-base intermediate with substrate;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P0A6L4 Q6NYR8 UniProtKB Binding site 51 51 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P0A6L4 Q6NYR8 UniProtKB Binding site 52 52 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P0A6L4 Q6NYR8 UniProtKB Binding site 175 175 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P0A6L4 Q6NYR8 UniProtKB Binding site 199 199 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P0A6L4 Q6NYR8 UniProtKB Binding site 201 201 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P0A6L4 Q6NYR8 UniProtKB Binding site 202 202 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P0A6L4 Q6NYR8 UniProtKB Binding site 218 218 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P0A6L4