Annotations: 8T7A

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
L [auth I]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
J [auth G]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
H [auth E]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
K [auth H]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
I [auth F]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
G [auth D]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
H [auth E], J [auth G], L [auth I]	Light Chain	IGKV4	Kappa	-	SAbDab (2026-02-06)
G [auth D], I [auth F], K [auth H]	Heavy Chain	IGHV1	-	-	SAbDab (2026-02-06)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
B [auth a], D [auth b], F [auth c]	Fusion glycoprotein F1	-	symbiont-mediated perturbation of host cellular process biological process involved in interspecies interaction between organisms symbiont-mediated induction of syncytium formation symbiont-mediated perturbation of host process modulation of process of another organism biological process involved in interaction with host biological process involved in symbiotic interaction membrane organization cellular component organization membrane fusion fusion of virus membrane with host plasma membrane viral process cellular process cellular component organization or biogenesis symbiont-mediated perturbation of host cellular process biological process involved in interspecies interaction between organisms symbiont-mediated induction of syncytium formation symbiont-mediated perturbation of host process modulation of process of another organism biological process involved in interaction with host biological process involved in symbiotic interaction membrane organization cellular component organization membrane fusion fusion of virus membrane with host plasma membrane viral process cellular process cellular component organization or biogenesis 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 viral life cycle adhesion of symbiont to host symbiont entry into host cell symbiont entry into 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 host intracellular part host cell Golgi membrane host cell Golgi apparatus host cell cytoplasm part 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 host intracellular part host cell Golgi membrane host cell Golgi apparatus host cell cytoplasm part host cell cytoplasm host cell endomembrane system host intracellular region
H [auth E], J [auth G], L [auth I]	2.4K Fab Light Chain	-	-	-
G [auth D], I [auth F], K [auth H]	2.4K Fab Heavy Chain	-	-	-
A, C [auth B], E [auth C]	Fusion glycoprotein F2	-	symbiont-mediated perturbation of host cellular process biological process involved in interspecies interaction between organisms symbiont-mediated induction of syncytium formation symbiont-mediated perturbation of host process modulation of process of another organism biological process involved in interaction with host biological process involved in symbiotic interaction membrane organization cellular component organization membrane fusion fusion of virus membrane with host plasma membrane viral process cellular process cellular component organization or biogenesis symbiont-mediated perturbation of host cellular process biological process involved in interspecies interaction between organisms symbiont-mediated induction of syncytium formation symbiont-mediated perturbation of host process modulation of process of another organism biological process involved in interaction with host biological process involved in symbiotic interaction membrane organization cellular component organization membrane fusion fusion of virus membrane with host plasma membrane viral process cellular process cellular component organization or biogenesis 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 viral life cycle adhesion of symbiont to host symbiont entry into host cell symbiont entry into 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 host intracellular part host cell Golgi membrane host cell Golgi apparatus host cell cytoplasm part 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 host intracellular part host cell Golgi membrane host cell Golgi apparatus host cell cytoplasm part host cell cytoplasm host cell endomembrane system host intracellular region

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B [auth a], D [auth b], F [auth c]	IPR000776	Precursor fusion glycoprotein F0, Paramyxoviridae	Family
A, C [auth B], E [auth C]	IPR000776	Precursor fusion glycoprotein F0, Paramyxoviridae	Family

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.