##gff-version 3 P15698 UniProtKB Signal peptide 1 27 . . . Ontology_term=ECO:0000255,ECO:0000269;evidence=ECO:0000255|PROSITE-ProRule:PRU00303,ECO:0000269|PubMed:2693593;Dbxref=PMID:2693593 P15698 UniProtKB Chain 28 404 . . . ID=PRO_0000012030;Note=Sialidase P15698 UniProtKB Repeat 89 100 . . . Note=BNR 1 P15698 UniProtKB Repeat 158 169 . . . Note=BNR 2 P15698 UniProtKB Repeat 226 237 . . . Note=BNR 3 P15698 UniProtKB Repeat 273 284 . . . Note=BNR 4 P15698 UniProtKB Active site 80 80 . . . Note=Proton acceptor;Ontology_term=ECO:0000250;evidence=ECO:0000250 P15698 UniProtKB Active site 365 365 . . . Note=Nucleophile;Ontology_term=ECO:0000250;evidence=ECO:0000250 P15698 UniProtKB Binding site 55 55 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 P15698 UniProtKB Binding site 263 263 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255