Annotations: 8GAU

Structure of human NDS.1 Fab and 1G01 Fab in complex with influenza virus neuraminidase from A/Indiana/10/2011 (H3N2v)

External Resource: Annotation

Domain Annotation: ECOD Classification
SAbDab Antibody Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A		e8gauA1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F:	ECOD (v295)
B [auth H]	7tm_1	e8gauH01	A: alpha arrays	X: Rossmann-like	H: Rossmann-related	T: FAD/NAD(P)-binding domain	F: 7tm_1	ECOD (v295)
C [auth L]	7tm_1	e8gauL01	A: alpha arrays	X: Rossmann-like	H: Rossmann-related	T: FAD/NAD(P)-binding domain	F: 7tm_1	ECOD (v295)
D [auth M]		e8gauM1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F:	ECOD (v295)
E [auth N]		e8gauN1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F:	ECOD (v295)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
B [auth H]	Heavy Chain	IGHV4	-	vasodilator-stimulated phosphoprotein, neuraminidasechimera	SAbDab (2026-06-26)
C [auth L]	Light Chain	IGKV1	Kappa	vasodilator-stimulated phosphoprotein, neuraminidasechimera	SAbDab (2026-06-26)
D [auth M]	Heavy Chain	IGHV3	-	vasodilator-stimulated phosphoprotein, neuraminidasechimera	SAbDab (2026-06-26)
E [auth N]	Light Chain	IGKV1	Kappa	vasodilator-stimulated phosphoprotein, neuraminidasechimera	SAbDab (2026-06-26)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Vasodilator-stimulated phosphoprotein, Neuraminidase chimera	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 profilin binding protein binding SH3 domain binding 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 profilin binding protein binding SH3 domain binding protein domain specific binding cytoskeletal protein binding actin binding cell adhesion molecule binding cadherin binding identical protein binding	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 protein-containing complex organization protein homotetramerization cellular component organization cellular component biogenesis cellular component assembly protein complex oligomerization protein tetramerization protein-containing complex assembly protein homooligomerization cellular component organization or biogenesis multicellular organismal process embryonic epithelial tube formation chordate embryonic development tube formation embryo development multicellular organism development epithelial tube formation tube morphogenesis primary neural tube formation embryo development ending in birth or egg hatching anatomical structure development epithelial tube morphogenesis system development developmental process morphogenesis of embryonic epithelium epithelium development neural tube development tube development embryonic morphogenesis morphogenesis of an epithelium nervous system development tissue development anatomical structure morphogenesis tissue morphogenesis neural tube closure neural tube formation anatomical structure formation involved in morphogenesis tube closure positive regulation of organelle organization regulation of cytoskeleton organization regulation of cellular process regulation of cellular component organization regulation of actin filament-based process positive regulation of cellular component organization regulation of cellular component size positive regulation of biological process regulation of protein-containing complex assembly positive regulation of protein-containing complex assembly positive regulation of protein polymerization actin filament-based process regulation of actin filament polymerization regulation of biological quality positive regulation of cellular process protein polymerization actin polymerization or depolymerization regulation of biological process regulation of actin filament organization actin cytoskeleton organization actin filament polymerization positive regulation of cellular component biogenesis positive regulation of cytoskeleton organization biological regulation regulation of actin polymerization or depolymerization actin filament organization regulation of cellular component biogenesis positive regulation of supramolecular fiber organization regulation of organelle organization organelle organization regulation of protein polymerization regulation of actin filament length regulation of actin cytoskeleton organization regulation of supramolecular fiber organization supramolecular fiber organization positive regulation of actin filament polymerization cytoskeleton organization regulation of anatomical structure size axonogenesis cellular developmental process cell projection organization plasma membrane bounded cell projection morphogenesis cell development neuron projection development cell morphogenesis neurogenesis cell projection morphogenesis neuron differentiation neuron projection morphogenesis cell differentiation plasma membrane bounded cell projection organization axon guidance axon development cell morphogenesis involved in neuron differentiation generation of neurons neuron projection guidance neuron development	cellular anatomical structure membrane host cell plasma membrane host cellular component host cell part host cell membrane other organism part virion component virion membrane cell junction anchoring junction focal adhesion cell-substrate junction extracellular exosome cellular anatomical structure membrane host cell plasma membrane host cellular component host cell part host cell membrane other organism part virion component virion membrane cell junction anchoring junction focal adhesion cell-substrate junction extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle extracellular region organelle vesicle extracellular membrane-bounded organelle intracellular organelle intracellular anatomical structure cytoskeleton membraneless organelle intracellular membraneless organelle actin cytoskeleton cytoplasm cytosol cell periphery plasma membrane synapse glutamatergic synapse cell leading edge leading edge membrane plasma membrane bounded cell projection cell projection plasma membrane region lamellipodium membrane cell projection membrane lamellipodium cell-cell junction apical junction complex bicellular tight junction tight junction postsynapse filopodium membrane actin-based cell projection filopodium
B [auth H]	Fab NDS.1, heavy chain	-	-	-
C [auth L]	Fab NDS.1, light chain	-	-	-
D [auth M]	Fab 1G01, heavy chain	-	-	-
E [auth N]	Fab 1G01, light chain	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR001860	Glycoside hydrolase, family 34	Family
A	IPR033654	Sialidase, Influenza viruses A/B	Domain
A	IPR036278	Sialidase superfamily	Homologous Superfamily
A	IPR000697	WH1/EVH1 domain	Domain
A	IPR011993	PH-like domain superfamily	Homologous Superfamily
A	IPR014885	VASP tetramerisation	Domain
A	IPR038023	VASP tetramerisation domain superfamily	Homologous Superfamily
A	IPR017354	Vasodilator-stimulated phosphoprotein/ENA/VASP-like	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	: P50552	Liver Cirrhosis, Experimental pancreatic ductal adenocarcinoma psoriasis malignant pancreatic neoplasm pancreatic intraductal papillary-mucinous carcinoma osteosarcoma pancreatic intraductal papillary-mucinous neoplasm

RCSB PDB is hosted by

RCSB PDB is a member of

RCSB Partners
Nucleic Acid Knowledgebase

CoreTrustSeal

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.