UniProt functional annotation for C0LT34

UniProt code: C0LT34.

Organism: Influenza B virus (B/Brisbane/60/2008).
Taxonomy: Viruses; Riboviria; Orthornavirae; Negarnaviricota; Polyploviricotina; Insthoviricetes; Articulavirales; Orthomyxoviridae; Betainfluenzavirus.
 
Function: Catalyzes the removal of terminal sialic acid residues from viral and cellular glycoconjugates. {ECO:0000256|RuleBase:RU361252}.
 
Catalytic activity: Reaction=Hydrolysis of alpha-(2->3)-, alpha-(2->6)-, alpha- (2->8)- glycosidic linkages of terminal sialic acid residues in oligosaccharides, glycoproteins, glycolipids, colominic acid and synthetic substrates.; EC=3.2.1.18; Evidence={ECO:0000256|RuleBase:RU361252};
Cofactor: Name=Ca(2+); Xref=ChEBI:CHEBI:29108; Evidence={ECO:0000256|ARBA:ARBA00001913, ECO:0000256|RuleBase:RU361252};
Subunit: Homotetramer. {ECO:0000256|ARBA:ARBA00011881, ECO:0000256|RuleBase:RU361252}.
Subcellular location: Membrane {ECO:0000256|ARBA:ARBA00004606}; Single- pass type II membrane protein {ECO:0000256|ARBA:ARBA00004606}. Virion membrane {ECO:0000256|RuleBase:RU361252}. Host apical cell membrane {ECO:0000256|RuleBase:RU361252}; Single-pass type II membrane protein {ECO:0000256|RuleBase:RU361252}.
Ptm: N-glycosylated. {ECO:0000256|RuleBase:RU361252}.
Similarity: Belongs to the glycosyl hydrolase 34 family. {ECO:0000256|RuleBase:RU361252}.

Annotations taken from UniProtKB at the EBI.