6CXC | pdb_00006cxc

3.9A Cryo-EM structure of murine antibody bound at a novel epitope of respiratory syncytial virus fusion protein

External Resource: Annotation

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

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
L [auth F]	Fusion_gly_4	e6cxcF2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-like domain in paramyxoviruses fusion protein (From Topology)	T: Immunoglobulin-like domain in paramyxoviruses fusion protein	F: Fusion_gly_4	ECOD (1.6)
L [auth F]	Fusion_gly	e6cxcF1	A: a+b complex topology	X: Head and neck region of the ectodomain of paramyxoviruses fusion glycoprotein (From Topology)	H: Head and neck region of the ectodomain of paramyxoviruses fusion glycoprotein (From Topology)	T: Head and neck region of the ectodomain of paramyxoviruses fusion glycoprotein	F: Fusion_gly	ECOD (1.6)
K [auth E]	Fusion_gly_3	e6cxcE1	A: a+b complex topology	X: Head and neck region of the ectodomain of paramyxoviruses fusion glycoprotein (From Topology)	H: Head and neck region of the ectodomain of paramyxoviruses fusion glycoprotein (From Topology)	T: Head and neck region of the ectodomain of paramyxoviruses fusion glycoprotein	F: Fusion_gly_3	ECOD (1.6)
J [auth D]	Fusion_gly_4	e6cxcD1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-like domain in paramyxoviruses fusion protein (From Topology)	T: Immunoglobulin-like domain in paramyxoviruses fusion protein	F: Fusion_gly_4	ECOD (1.6)
J [auth D]	Fusion_gly	e6cxcD2	A: a+b complex topology	X: Head and neck region of the ectodomain of paramyxoviruses fusion glycoprotein (From Topology)	H: Head and neck region of the ectodomain of paramyxoviruses fusion glycoprotein (From Topology)	T: Head and neck region of the ectodomain of paramyxoviruses fusion glycoprotein	F: Fusion_gly	ECOD (1.6)
I [auth C]	Fusion_gly_3	e6cxcC1	A: a+b complex topology	X: Head and neck region of the ectodomain of paramyxoviruses fusion glycoprotein (From Topology)	H: Head and neck region of the ectodomain of paramyxoviruses fusion glycoprotein (From Topology)	T: Head and neck region of the ectodomain of paramyxoviruses fusion glycoprotein	F: Fusion_gly_3	ECOD (1.6)
H [auth B]	Fusion_gly_4	e6cxcB2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-like domain in paramyxoviruses fusion protein (From Topology)	T: Immunoglobulin-like domain in paramyxoviruses fusion protein	F: Fusion_gly_4	ECOD (1.6)
H [auth B]	Fusion_gly	e6cxcB1	A: a+b complex topology	X: Head and neck region of the ectodomain of paramyxoviruses fusion glycoprotein (From Topology)	H: Head and neck region of the ectodomain of paramyxoviruses fusion glycoprotein (From Topology)	T: Head and neck region of the ectodomain of paramyxoviruses fusion glycoprotein	F: Fusion_gly	ECOD (1.6)
G [auth A]	Fusion_gly_3	e6cxcA1	A: a+b complex topology	X: Head and neck region of the ectodomain of paramyxoviruses fusion glycoprotein (From Topology)	H: Head and neck region of the ectodomain of paramyxoviruses fusion glycoprotein (From Topology)	T: Head and neck region of the ectodomain of paramyxoviruses fusion glycoprotein	F: Fusion_gly_3	ECOD (1.6)
F [auth K]	V-set	e6cxcK1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: V-set	ECOD (1.6)
D [auth J]	V-set	e6cxcJ1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: V-set	ECOD (1.6)
B [auth Y]	V-set	e6cxcY1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: V-set	ECOD (1.6)
E [auth I]	V-set_8	e6cxcI1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: V-set_8	ECOD (1.6)
C [auth G]	V-set_8	e6cxcG1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: V-set_8	ECOD (1.6)
A [auth X]	V-set_8	e6cxcX1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: V-set_8	ECOD (1.6)

IMGT Antibody Annotation IMGT Database Homepage

Chain	Protein Name	Description	Organism Name	Gene Allele Name(s)	Domain Name(s)	Receptor Type	Receptor Description	Provenance Source
B [auth Y], D [auth J], F [auth K]	Fab R4.C6	V-KAPPA	Mus musculus (house mouse)	IGKV6-1401, IGKJ201	V-DOMAIN V-KAPPA	IG	VH-V-KAPPA	IMGT (202549-0)
A [auth X], C [auth G], E [auth I]	Fab R4.C6	VH	Mus musculus (house mouse)	IGHV1-8201, IGHJ301	V-DOMAIN VH	IG	VH-V-KAPPA	IMGT (202549-0)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
B [auth Y], D [auth J], F [auth K]	Light Chain	IGKV6	Kappa	fusion glycoprotein f0, envelope glycoprotein chimera \| fusion glycoprotein f0, envelope glycoprotein chimera	SAbDab (2025-12-19)
A [auth X], C [auth G], E [auth I]	Heavy Chain	IGHV1	-	fusion glycoprotein f0, envelope glycoprotein chimera \| fusion glycoprotein f0, envelope glycoprotein chimera	SAbDab (2025-12-19)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
G [auth A], H [auth B], I [auth C], J [auth D], K [auth E], G [auth A], H [auth B], I [auth C], J [auth D], K [auth E], L [auth F]	PF00523	Fusion glycoprotein F0 (Fusion_gly)	Fusion glycoprotein F0	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
G [auth A], H [auth B], I [auth C], J [auth D], K [auth E], G [auth A], H [auth B], I [auth C], J [auth D], K [auth E], L [auth F]	Fusion glycoprotein F0, Envelope glycoprotein chimera	identical protein binding protein binding binding	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	cell periphery cellular anatomical structure plasma membrane membrane virion component viral membrane viral envelope host cell plasma membrane host cellular component host cell part host cell membrane other organism part virion membrane host intracellular part cell periphery cellular anatomical structure plasma membrane membrane virion component viral membrane viral envelope host cell plasma membrane host cellular component 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
B [auth Y], D [auth J], F [auth K]	R4.C6 Fab Light Chain	-	-	-
A [auth X], C [auth G], E [auth I]	R4.C6 Fab Heavy Chain	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
G [auth A], H [auth B], I [auth C], J [auth D], K [auth E], G [auth A], H [auth B], I [auth C], J [auth D], K [auth E], L [auth F]	IPR012473	Fibritin C-terminal	Domain
G [auth A], H [auth B], I [auth C], J [auth D], K [auth E], G [auth A], H [auth B], I [auth C], J [auth D], K [auth E], L [auth F]	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.