9O4Q | pdb_00009o4q

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
I, J, K, L	Light Chain	IGKV2	Kappa	neuraminidase	SAbDab (2026-01-23)
E, F, G, H	Heavy Chain	IGHV1	-	neuraminidase	SAbDab (2026-01-23)

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
I, J, K, L	Z1A11-GL light chain	-	-	-
E, F, G, H	Z1A11-GL heavy chain	-	-	-
A, B, C, D	Neuraminidase	cation binding ion binding binding metal ion binding small molecule binding hydrolase activity, acting on glycosyl bonds alpha-sialidase activity hydrolase activity, hydrolyzing O-glycosyl compounds hydrolase activity exo-alpha-sialidase activity catalytic activity	carbohydrate metabolic process primary metabolic process metabolic process cellular process biological process involved in interspecies interaction between organisms non-lytic viral release viral budding viral life cycle biological process involved in interaction with host biological process involved in symbiotic interaction virion assembly exit from host cell viral process viral budding from plasma membrane carbohydrate metabolic process primary metabolic process metabolic process cellular process biological process involved in interspecies interaction between organisms non-lytic viral release viral budding viral life cycle biological process involved in interaction with host biological process involved in symbiotic interaction virion assembly exit from host cell viral process viral budding from plasma membrane viral release from host cell	cellular anatomical structure membrane host cell plasma membrane host cellular component host cell part host cell membrane other organism part virion component virion membrane

Chains	Accession	Name	Type
A, B, C, D	IPR001860	Glycoside hydrolase, family 34	Family
A, B, C, D	IPR033654	Sialidase, Influenza viruses A/B	Domain
A, B, C, D	IPR036278	Sialidase superfamily	Homologous Superfamily