Annotations: 7X3D

Cryo-EM structure of Coxsackievirus B1 mature virion in complex with nAb 9A3 (CVB1-M:9A3)

External Resource: Annotation

Domain Annotation: ECOD Classification
Domain Annotation: CATH
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)
A	V-set	e7x3dA1	A: beta barrels	X: RNase A-like	H: Cytochrome P450	T: Cytochrome P450	F: V-set	ECOD (v294.2)
C	V-set	e7x3dC1	A: beta barrels	X: RNase A-like	H: Cytochrome P450	T: Cytochrome P450	F: V-set	ECOD (v294.2)
F [auth L]	Complex1_51K	e7x3dL1	A: beta barrels	X: RNase A-like	H: Cytochrome P450	T: Cytochrome P450	F: Complex1_51K	ECOD (v294.2)
E [auth H]	Complex1_51K	e7x3dH1	A: beta barrels	X: RNase A-like	H: Cytochrome P450	T: Cytochrome P450	F: Complex1_51K	ECOD (v294.2)
D	V-set	e7x3dD1	A: beta barrels	X: RNase A-like	H: Cytochrome P450	T: Cytochrome P450	F: V-set	ECOD (v294.2)
B	V-set	e7x3dB1	A: beta barrels	X: RNase A-like	H: Cytochrome P450	T: Cytochrome P450	F: V-set	ECOD (v294.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
F [auth L]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
E [auth H]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
B	2.60.120.20	Mainly Beta	Sandwich	Jelly Rolls		CATH (utative)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
F [auth L]	Light Chain	IGKV4	Kappa	vp2 \| vp3	SAbDab (2026-05-08)
E [auth H]	Heavy Chain	IGHV7	-	vp2 \| vp3	SAbDab (2026-05-08)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Virion protein 1	structural molecule activity	symbiont-mediated disruption of host anatomical structure biological process involved in interspecies interaction between organisms viral life cycle symbiont-mediated disruption of host cellular anatomical structure biological process involved in interaction with host biological process involved in symbiotic interaction symbiont-mediated perturbation of host membrane symbiont genome entry into host cell via pore formation in plasma membrane symbiont entry into host cell viral process symbiont entry into host disruption of anatomical structure in another organism virion attachment to host cell adhesion of symbiont to host cell symbiont-mediated disruption of host anatomical structure biological process involved in interspecies interaction between organisms viral life cycle symbiont-mediated disruption of host cellular anatomical structure biological process involved in interaction with host biological process involved in symbiotic interaction symbiont-mediated perturbation of host membrane symbiont genome entry into host cell via pore formation in plasma membrane symbiont entry into host cell viral process symbiont entry into host disruption of anatomical structure in another organism virion attachment to host cell adhesion of symbiont to host cell adhesion of symbiont to host symbiont-mediated perturbation of host cellular process symbiont-mediated suppression of host gene expression symbiont-mediated perturbation of host process symbiont-mediated perturbation of host gene expression modulation of process of another organism	viral capsid virion component host cellular component host intracellular part cellular anatomical structure host cell cytoplasm host cell part host intracellular region other organism part
C	VP3	structural molecule activity	symbiont-mediated disruption of host anatomical structure biological process involved in interspecies interaction between organisms viral life cycle symbiont-mediated disruption of host cellular anatomical structure biological process involved in interaction with host biological process involved in symbiotic interaction symbiont-mediated perturbation of host membrane symbiont genome entry into host cell via pore formation in plasma membrane symbiont entry into host cell viral process symbiont entry into host disruption of anatomical structure in another organism virion attachment to host cell adhesion of symbiont to host cell symbiont-mediated disruption of host anatomical structure biological process involved in interspecies interaction between organisms viral life cycle symbiont-mediated disruption of host cellular anatomical structure biological process involved in interaction with host biological process involved in symbiotic interaction symbiont-mediated perturbation of host membrane symbiont genome entry into host cell via pore formation in plasma membrane symbiont entry into host cell viral process symbiont entry into host disruption of anatomical structure in another organism virion attachment to host cell adhesion of symbiont to host cell adhesion of symbiont to host symbiont-mediated perturbation of host cellular process symbiont-mediated suppression of host gene expression symbiont-mediated perturbation of host process symbiont-mediated perturbation of host gene expression modulation of process of another organism	viral capsid virion component host cellular component host intracellular part cellular anatomical structure host cell cytoplasm host cell part host intracellular region other organism part
F [auth L]	9A3 light chain	-	-	-
E [auth H]	9A3 heavy chain	-	-	-
D	Capsid protein VP4	structural molecule activity	symbiont-mediated disruption of host anatomical structure biological process involved in interspecies interaction between organisms viral life cycle symbiont-mediated disruption of host cellular anatomical structure biological process involved in interaction with host biological process involved in symbiotic interaction symbiont-mediated perturbation of host membrane symbiont genome entry into host cell via pore formation in plasma membrane symbiont entry into host cell viral process symbiont entry into host disruption of anatomical structure in another organism virion attachment to host cell adhesion of symbiont to host cell symbiont-mediated disruption of host anatomical structure biological process involved in interspecies interaction between organisms viral life cycle symbiont-mediated disruption of host cellular anatomical structure biological process involved in interaction with host biological process involved in symbiotic interaction symbiont-mediated perturbation of host membrane symbiont genome entry into host cell via pore formation in plasma membrane symbiont entry into host cell viral process symbiont entry into host disruption of anatomical structure in another organism virion attachment to host cell adhesion of symbiont to host cell adhesion of symbiont to host symbiont-mediated perturbation of host cellular process symbiont-mediated suppression of host gene expression symbiont-mediated perturbation of host process symbiont-mediated perturbation of host gene expression modulation of process of another organism	viral capsid virion component host cellular component host intracellular part cellular anatomical structure host cell cytoplasm host cell part host intracellular region other organism part
B	VP2	structural molecule activity	symbiont-mediated disruption of host anatomical structure biological process involved in interspecies interaction between organisms viral life cycle symbiont-mediated disruption of host cellular anatomical structure biological process involved in interaction with host biological process involved in symbiotic interaction symbiont-mediated perturbation of host membrane symbiont genome entry into host cell via pore formation in plasma membrane symbiont entry into host cell viral process symbiont entry into host disruption of anatomical structure in another organism virion attachment to host cell adhesion of symbiont to host cell symbiont-mediated disruption of host anatomical structure biological process involved in interspecies interaction between organisms viral life cycle symbiont-mediated disruption of host cellular anatomical structure biological process involved in interaction with host biological process involved in symbiotic interaction symbiont-mediated perturbation of host membrane symbiont genome entry into host cell via pore formation in plasma membrane symbiont entry into host cell viral process symbiont entry into host disruption of anatomical structure in another organism virion attachment to host cell adhesion of symbiont to host cell adhesion of symbiont to host symbiont-mediated perturbation of host cellular process symbiont-mediated suppression of host gene expression symbiont-mediated perturbation of host process symbiont-mediated perturbation of host gene expression modulation of process of another organism	viral capsid virion component host cellular component host intracellular part cellular anatomical structure host cell cytoplasm host cell part host intracellular region other organism part

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR029053	Viral coat protein subunit	Homologous Superfamily
A	IPR003138	Picornavirus coat protein VP4	Family
A	IPR001676	Picornavirus capsid	Domain
A	IPR033703	Picornavirus/Calicivirus coat protein	Domain
A	IPR036988	Picornavirus coat protein VP4 superfamily	Homologous Superfamily
C	IPR029053	Viral coat protein subunit	Homologous Superfamily
C	IPR003138	Picornavirus coat protein VP4	Family
C	IPR001676	Picornavirus capsid	Domain
C	IPR033703	Picornavirus/Calicivirus coat protein	Domain
C	IPR036988	Picornavirus coat protein VP4 superfamily	Homologous Superfamily
D	IPR029053	Viral coat protein subunit	Homologous Superfamily
D	IPR003138	Picornavirus coat protein VP4	Family
D	IPR001676	Picornavirus capsid	Domain
D	IPR033703	Picornavirus/Calicivirus coat protein	Domain
D	IPR036988	Picornavirus coat protein VP4 superfamily	Homologous Superfamily
B	IPR029053	Viral coat protein subunit	Homologous Superfamily
B	IPR003138	Picornavirus coat protein VP4	Family
B	IPR001676	Picornavirus capsid	Domain
B	IPR033703	Picornavirus/Calicivirus coat protein	Domain
B	IPR036988	Picornavirus coat protein VP4 superfamily	Homologous Superfamily