4ZYP | pdb_00004zyp

Crystal Structure of Motavizumab and Quaternary-Specific RSV-Neutralizing Human Antibody AM14 in Complex with Prefusion RSV F Glycoprotein

External Resource: Annotation

Domain Annotation: ECOD Classification
IMGT Antibody Annotation
SAbDab Antibody Annotation
Thera-SAbDab Antibody 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)
K [auth E]	Glyco_hydro_31_3rd	e4zypE1	A: alpha bundles	X: jelly-roll	H: Acetamidase/Formamidase-like	T: Acetamidase/Formamidase-like	F: Glyco_hydro_31_3rd	ECOD (develop294)
I	Glyco_hydro_31_3rd	e4zypI1	A: alpha bundles	X: jelly-roll	H: Acetamidase/Formamidase-like	T: Acetamidase/Formamidase-like	F: Glyco_hydro_31_3rd	ECOD (develop294)
G	Glyco_hydro_31_3rd	e4zypG1	A: alpha bundles	X: jelly-roll	H: Acetamidase/Formamidase-like	T: Acetamidase/Formamidase-like	F: Glyco_hydro_31_3rd	ECOD (develop294)
J [auth D]	Glyco_hydro_31_3rd	e4zypD2	A: alpha bundles	X: jelly-roll	H: Acetamidase/Formamidase-like	T: Acetamidase/Formamidase-like	F: Glyco_hydro_31_3rd	ECOD (develop294)
J [auth D]	EF-hand_1, EF-hand_6, EF-hand_7	e4zypD3	A: alpha bundles	X: Lipocalins/Streptavidin	H: SAM/DNA-glycosylase	T: SAM domain-like	F: EF-hand_1, EF-hand_6, EF-hand_7	ECOD (develop294)
H	Glyco_hydro_31_3rd	e4zypH2	A: alpha bundles	X: jelly-roll	H: Acetamidase/Formamidase-like	T: Acetamidase/Formamidase-like	F: Glyco_hydro_31_3rd	ECOD (develop294)
H	EF-hand_1, EF-hand_6, EF-hand_7	e4zypH3	A: alpha bundles	X: Lipocalins/Streptavidin	H: SAM/DNA-glycosylase	T: SAM domain-like	F: EF-hand_1, EF-hand_6, EF-hand_7	ECOD (develop294)
F	Glyco_hydro_31_3rd	e4zypF2	A: alpha bundles	X: jelly-roll	H: Acetamidase/Formamidase-like	T: Acetamidase/Formamidase-like	F: Glyco_hydro_31_3rd	ECOD (develop294)
F	EF-hand_1, EF-hand_6, EF-hand_7	e4zypF3	A: alpha bundles	X: Lipocalins/Streptavidin	H: SAM/DNA-glycosylase	T: SAM domain-like	F: EF-hand_1, EF-hand_6, EF-hand_7	ECOD (develop294)
O	Glyco_hydro_31_3rd	e4zypO1	A: alpha bundles	X: jelly-roll	H: Acetamidase/Formamidase-like	T: Acetamidase/Formamidase-like	F: Glyco_hydro_31_3rd	ECOD (develop294)
M	Glyco_hydro_31_3rd	e4zypM1	A: alpha bundles	X: jelly-roll	H: Acetamidase/Formamidase-like	T: Acetamidase/Formamidase-like	F: Glyco_hydro_31_3rd	ECOD (develop294)
E [auth L]	PhyH	e4zypL1	A: alpha bundles	X: ssDNA-binding transcriptional regulator domain-like	H: ssDNA-binding transcriptional regulator domain	T: ssDNA-binding transcriptional regulator domain	F: PhyH	ECOD (develop294)
N	Glyco_hydro_31_3rd	e4zypN2	A: alpha bundles	X: jelly-roll	H: Acetamidase/Formamidase-like	T: Acetamidase/Formamidase-like	F: Glyco_hydro_31_3rd	ECOD (develop294)
N	EF-hand_1, EF-hand_6, EF-hand_7	e4zypN3	A: alpha bundles	X: Lipocalins/Streptavidin	H: SAM/DNA-glycosylase	T: SAM domain-like	F: EF-hand_1, EF-hand_6, EF-hand_7	ECOD (develop294)
L [auth K]	Glyco_hydro_31_3rd	e4zypK2	A: alpha bundles	X: jelly-roll	H: Acetamidase/Formamidase-like	T: Acetamidase/Formamidase-like	F: Glyco_hydro_31_3rd	ECOD (develop294)
L [auth K]	EF-hand_1, EF-hand_6, EF-hand_7	e4zypK1	A: alpha bundles	X: Lipocalins/Streptavidin	H: SAM/DNA-glycosylase	T: SAM domain-like	F: EF-hand_1, EF-hand_6, EF-hand_7	ECOD (develop294)
D [auth J]	PhyH	e4zypJ2	A: alpha bundles	X: ssDNA-binding transcriptional regulator domain-like	H: ssDNA-binding transcriptional regulator domain	T: ssDNA-binding transcriptional regulator domain	F: PhyH	ECOD (develop294)
D [auth J]	EF-hand_1, EF-hand_6, EF-hand_7	e4zypJ3	A: alpha bundles	X: Lipocalins/Streptavidin	H: SAM/DNA-glycosylase	T: SAM domain-like	F: EF-hand_1, EF-hand_6, EF-hand_7	ECOD (develop294)
C	Glyco_hydro_31_2nd	e4zypC1	A: alpha bundles	X: Lipocalins/Streptavidin	H: Fibronectin type I module-like	T: Fibronectin type I module	F: Glyco_hydro_31_2nd	ECOD (develop294)
B	Glyco_hydro_31_3rd	e4zypB1	A: alpha bundles	X: jelly-roll	H: Acetamidase/Formamidase-like	T: Acetamidase/Formamidase-like	F: Glyco_hydro_31_3rd	ECOD (develop294)
A	Glyco_hydro_31_2nd	e4zypA1	A: alpha bundles	X: Lipocalins/Streptavidin	H: Fibronectin type I module-like	T: Fibronectin type I module	F: Glyco_hydro_31_2nd	ECOD (develop294)

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
G, I, K [auth E]	AM14 Fab	L-KAPPA	Homo sapiens (human)	IGKV1-3301, IGKV1D-3301, IGKJ401, IGKJ402, IGKC*01	V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA	IG	FAB-GAMMA-1_KAPPA	IMGT (202610-0)
F, H, J [auth D]	AM14 Fab	VH-CH1	Homo sapiens (human)	IGHV3-3001, IGHV3-3004, IGHV3-3007, IGHV3-3009, IGHV3-3011, IGHV3-3014, IGHV3-3016, IGHV3-3017, IGHV3-30-301, IGHV3-30-303, IGHJ601, IGHJ602, IGHG101, IGHG102, IGHG104, IGHG105	V-DOMAIN VH, C-DOMAIN CH1	IG	FAB-GAMMA-1_KAPPA	IMGT (202610-0)
E [auth L], M, O	INN name	L-KAPPA	Humanized (humanized)	IGKV1-501, IGKJ401, IGKJ402, IGKC01	V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA	IG	FAB-GAMMA-1_KAPPA	IMGT (202610-0)
D [auth J], L [auth K], N	INN name	VH-CH1	Humanized (humanized)	IGHV2-7001, IGHV2-7013, IGHJ301, IGHG101, IGHG102, IGHG104, IGHG1*05	V-DOMAIN VH, C-DOMAIN CH1	IG	FAB-GAMMA-1_KAPPA	IMGT (202610-0)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
G, I, K [auth E]	Light Chain	IGKV1	Kappa	fusion glycoprotein f0,fibritin	SAbDab (2026-03-20)
F, H, J [auth D]	Heavy Chain	IGHV3	-	fusion glycoprotein f0,fibritin	SAbDab (2026-03-20)
E [auth L], M, O	Light Chain	IGKV1	Kappa	fusion glycoprotein f0,fibritin	SAbDab (2026-03-20)
D [auth J], L [auth K], N	Heavy Chain	IGHV2	-	fusion glycoprotein f0,fibritin	SAbDab (2026-03-20)

Thera-SAbDab Antibody Annotation Thera-SAbDab Database Homepage

Chain	Name	Target	Provenance Source
E [auth L], M, O	Motavizumab	Respiratory Syncytial Virus Glycoprotein F	Therapeutic SAbDab (2026-03-20)
D [auth J], L [auth K], N	Motavizumab	Respiratory Syncytial Virus Glycoprotein F	Therapeutic SAbDab (2026-03-20)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
G, I, K [auth E]	AM14 antibody light chain	-	-	-
F, H, J [auth D]	AM14 antibody Fab heavy chain	-	-	-
E [auth L], M, O	Motavizumab antibody light chain	-	-	-
D [auth J], L [auth K], N	Motavizumab antibody Fab heavy chain	-	-	-
A, B, C	Fusion glycoprotein F0,Fibritin	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

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C	IPR012473	Fibritin C-terminal	Domain
A, B, 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.

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