Annotations: 9LUE

Cryo-EM structure of the Nipah G head domain in complex with three Fabs

External Resource: Annotation

Domain Annotation: SCOP2 Classification
SAbDab Antibody Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A [auth G]	SCOP2B Superfamily	Sialidases	8086578	3001607	SCOP2B (2022-06-29)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
G [auth H]	Heavy Chain	IGHV1	-	glycoprotein g	SAbDab (2026-05-08)
F [auth D]	Light Chain	IGKV4	Kappa	glycoprotein g	SAbDab (2026-05-08)
E [auth C]	Heavy Chain	IGHV3	-	glycoprotein g	SAbDab (2026-05-08)
D [auth B]	Light Chain	IGKV3	Kappa	glycoprotein g	SAbDab (2026-05-08)
C [auth A]	Heavy Chain	IGHV3	-	glycoprotein g	SAbDab (2026-05-08)
B [auth L]	Light Chain	IGKV5	Kappa	glycoprotein g	SAbDab (2026-05-08)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
G [auth H]	NIV LN3D3 Fab Heavy Chain	-	-	-
F [auth D]	NiV S1E2 Fab Light Chain	-	-	-
E [auth C]	NiV S1E2 Fab Heavy Chain	-	-	-
D [auth B]	NiV S2B10 Fab Light Chain	-	-	-
C [auth A]	NiV S2B10 Fab Heavy Chain	-	-	-
B [auth L]	NIV LN3D3 Fab Light Chain	-	-	-
A [auth G]	Glycoprotein G	identical protein binding protein binding binding hydrolase activity, acting on glycosyl bonds alpha-sialidase activity hydrolase activity, hydrolyzing O-glycosyl compounds hydrolase activity exo-alpha-sialidase activity catalytic activity host cell surface binding host cell surface receptor binding	import into cell receptor-mediated endocytosis of virus by host cell biological process involved in interspecies interaction between organisms transport viral life cycle establishment of localization vesicle-mediated transport biological process involved in interaction with host biological process involved in symbiotic interaction localization symbiont entry into host cell clathrin-dependent endocytosis viral process symbiont entry into host import into cell receptor-mediated endocytosis of virus by host cell biological process involved in interspecies interaction between organisms transport viral life cycle establishment of localization vesicle-mediated transport biological process involved in interaction with host biological process involved in symbiotic interaction localization symbiont entry into host cell clathrin-dependent endocytosis viral process symbiont entry into host cellular process clathrin-dependent endocytosis of virus by host cell receptor-mediated endocytosis endocytosis endocytosis involved in viral entry into host cell membrane fusion involved in viral entry into host cell virion attachment to host cell receptor-mediated virion attachment to host cell adhesion of symbiont to host cell entry receptor-mediated virion attachment to host cell adhesion of symbiont to host	virion component viral membrane viral envelope host cell plasma membrane host cellular component cellular anatomical structure host cell part host cell membrane other organism part virion membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth G]	IPR016285	Haemagglutinin-neuraminidase	Family
A [auth G]	IPR036278	Sialidase superfamily	Homologous Superfamily
A [auth G]	IPR000665	Haemagglutinin/haemagglutinin-neuraminidase, paramyxovirus	Family

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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.

9LUE | pdb_00009lue

Cryo-EM structure of the Nipah G head domain in complex with three Fabs

External Resource: Annotation

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

SAbDab Antibody Annotation SAbDab Database Homepage

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

InterPro: Protein Family Classification InterPro Database Homepage