##gff-version 3 O97859 UniProtKB Chain 1 428 . . . ID=PRO_0000208902;Note=Sialidase-3 O97859 UniProtKB Repeat 129 140 . . . Note=BNR 1 O97859 UniProtKB Repeat 203 214 . . . Note=BNR 2 O97859 UniProtKB Repeat 254 265 . . . Note=BNR 3 O97859 UniProtKB Motif 24 27 . . . Note=FRIP motif O97859 UniProtKB Active site 50 50 . . . Note=Proton acceptor;Ontology_term=ECO:0000250;evidence=ECO:0000250 O97859 UniProtKB Active site 371 371 . . . Note=Nucleophile;Ontology_term=ECO:0000250;evidence=ECO:0000250 O97859 UniProtKB Active site 388 388 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255 O97859 UniProtKB Binding site 25 25 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 O97859 UniProtKB Binding site 45 45 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 O97859 UniProtKB Binding site 179 179 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 O97859 UniProtKB Binding site 181 181 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 O97859 UniProtKB Binding site 225 225 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 O97859 UniProtKB Binding site 245 245 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255 O97859 UniProtKB Binding site 341 341 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 O97859 UniProtKB Modified residue 314 314 . . . Note=Phosphoserine;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q9JMH7