Annotations: 8TQK

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A [auth D]	F5_F8_type_C	e8tqkD01	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: F5_F8_type_C	ECOD (v294.2)
G [auth A]	F5_F8_type_C	e8tqkA01	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: F5_F8_type_C	ECOD (v294.2)
B [auth E]	F5_F8_type_C	e8tqkE01	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: F5_F8_type_C	ECOD (v294.2)

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
A [auth D], C [auth F], E [auth H]	Heavy Chain	IGHV3	-	fusion glycoprotein f0	SAbDab (2026-05-29)
B [auth E], D [auth G], F [auth L]	Light Chain	IGKV1	Kappa	fusion glycoprotein f0	SAbDab (2026-05-29)

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth D], C [auth F], E [auth H]	Heavy chain Fab rPIV3-18	-	response to stimulus immune response immune system process adaptive immune response	cell periphery cellular anatomical structure plasma membrane membrane protein-containing complex immunoglobulin complex extracellular region
G [auth A], H [auth B], I [auth C]	Fusion glycoprotein F0	-	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 biological process involved in interspecies interaction between organisms symbiont entry into host cell symbiont entry into host viral life cycle biological process involved in interaction with host biological process involved in symbiotic interaction	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
B [auth E], D [auth G], F [auth L]	Light chain Fab rPIV3-28	-	-	-

Chains	Accession	Name	Type
A [auth D], C [auth F], E [auth H]	IPR003597	Immunoglobulin C1-set	Domain
A [auth D], C [auth F], E [auth H]	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
A [auth D], C [auth F], E [auth H]	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
A [auth D], C [auth F], E [auth H]	IPR013106	Immunoglobulin V-set domain	Domain
A [auth D], C [auth F], E [auth H]	IPR003599	Immunoglobulin domain subtype	Domain
A [auth D], C [auth F], E [auth H]	IPR007110	Immunoglobulin-like domain	Domain
A [auth D], C [auth F], E [auth H]	IPR050380	Immune Recognition and Response Modulators	Family
A [auth D], C [auth F], E [auth H]	IPR003006	Immunoglobulin/major histocompatibility complex, conserved site	Conserved Site
G [auth A], H [auth B], I [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.

8TQK | pdb_00008tqk