Annotations: 7D3K

FOOT AND MOUTH DISEASE VIRUS O/TIBET/99-BOUND THE SINGLE CHAIN FRAGMEN ANTIBODY B77

External Resource: Annotation

Domain Annotation: ECOD Classification
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)
F [auth L]	MethyltransfD12	e7d3kL1	A: beta barrels	X: DNA methylase specificity domain	H: Bromodomain	T: Bromodomain	F: MethyltransfD12	ECOD (v294.2)
E [auth H]	MethyltransfD12	e7d3kH1	A: beta barrels	X: DNA methylase specificity domain	H: Bromodomain	T: Bromodomain	F: MethyltransfD12	ECOD (v294.2)
C [auth 3]	MethyltransfD12	e7d3k31	A: beta barrels	X: DNA methylase specificity domain	H: Bromodomain	T: Bromodomain	F: MethyltransfD12	ECOD (v294.2)
B [auth 2]	MethyltransfD12	e7d3k21	A: beta barrels	X: DNA methylase specificity domain	H: Bromodomain	T: Bromodomain	F: MethyltransfD12	ECOD (v294.2)
A [auth 1]	MethyltransfD12	e7d3k11	A: beta barrels	X: DNA methylase specificity domain	H: Bromodomain	T: Bromodomain	F: MethyltransfD12	ECOD (v294.2)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
F [auth L]	Light Chain	IGLV1	Lambda	o/tibet/99 vp2	SAbDab (2026-05-08)
E [auth H]	Heavy Chain	IGHV1	-	o/tibet/99 vp2	SAbDab (2026-05-08)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
F [auth L]	B77 VL	-	-	-
E [auth H]	B77 VH	-	response to stimulus immune response immune system process adaptive immune response	protein-containing complex immunoglobulin complex cellular anatomical structure extracellular region
D [auth 4]	O/TIBET/99 VP4	structural molecule activity	virion attachment to host cell biological process involved in interspecies interaction between organisms adhesion of symbiont to host cell viral process viral life cycle adhesion of symbiont to host biological process involved in interaction with host biological process involved in symbiotic interaction symbiont entry into host cell symbiont entry into host	host cellular component host intracellular part cellular anatomical structure host cell cytoplasm host cell part host intracellular region other organism part viral capsid icosahedral viral capsid virion component T=pseudo3 icosahedral viral capsid
C [auth 3]	O/TIBET/99 VP3	structural molecule activity	virion attachment to host cell biological process involved in interspecies interaction between organisms adhesion of symbiont to host cell viral process viral life cycle adhesion of symbiont to host biological process involved in interaction with host biological process involved in symbiotic interaction symbiont entry into host cell symbiont entry into host	host cellular component host intracellular part cellular anatomical structure host cell cytoplasm host cell part host intracellular region other organism part viral capsid icosahedral viral capsid virion component T=pseudo3 icosahedral viral capsid
B [auth 2]	O/TIBET/99 VP2	structural molecule activity	virion attachment to host cell biological process involved in interspecies interaction between organisms adhesion of symbiont to host cell viral process viral life cycle adhesion of symbiont to host biological process involved in interaction with host biological process involved in symbiotic interaction symbiont entry into host cell symbiont entry into host	host cellular component cellular anatomical structure host cell other organism part viral capsid virion component
A [auth 1]	O/TIBET/99 VP1	structural molecule activity	virion attachment to host cell biological process involved in interspecies interaction between organisms adhesion of symbiont to host cell viral process viral life cycle adhesion of symbiont to host biological process involved in interaction with host biological process involved in symbiotic interaction symbiont entry into host cell symbiont entry into host	host cellular component cellular anatomical structure host cell other organism part viral capsid virion component

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
E [auth H]	IPR050199	Immunoglobulin Heavy Variable	Family
E [auth H]	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
E [auth H]	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
E [auth H]	IPR013106	Immunoglobulin V-set domain	Domain
E [auth H]	IPR003599	Immunoglobulin domain subtype	Domain
E [auth H]	IPR007110	Immunoglobulin-like domain	Domain
D [auth 4]	IPR029053	Viral coat protein subunit	Homologous Superfamily
D [auth 4]	IPR004080	Foot-and-mouth disease virus VP1 coat	Domain
D [auth 4]	IPR001676	Picornavirus capsid	Domain
D [auth 4]	IPR033703	Picornavirus/Calicivirus coat protein	Domain
D [auth 4]	IPR037080	Capsid protein VP4 superfamily, Picornavirus	Homologous Superfamily
C [auth 3]	IPR029053	Viral coat protein subunit	Homologous Superfamily
C [auth 3]	IPR004080	Foot-and-mouth disease virus VP1 coat	Domain
C [auth 3]	IPR001676	Picornavirus capsid	Domain
C [auth 3]	IPR033703	Picornavirus/Calicivirus coat protein	Domain
C [auth 3]	IPR037080	Capsid protein VP4 superfamily, Picornavirus	Homologous Superfamily
B [auth 2]	IPR029053	Viral coat protein subunit	Homologous Superfamily
B [auth 2]	IPR001676	Picornavirus capsid	Domain
B [auth 2]	IPR033703	Picornavirus/Calicivirus coat protein	Domain
A [auth 1]	IPR029053	Viral coat protein subunit	Homologous Superfamily
A [auth 1]	IPR004080	Foot-and-mouth disease virus VP1 coat	Domain
A [auth 1]	IPR001676	Picornavirus capsid	Domain
A [auth 1]	IPR033703	Picornavirus/Calicivirus coat protein	Domain

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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.

7D3K | pdb_00007d3k

FOOT AND MOUTH DISEASE VIRUS O/TIBET/99-BOUND THE SINGLE CHAIN FRAGMEN ANTIBODY B77

External Resource: Annotation

Domain Annotation: ECOD Classification ECOD Database Homepage

SAbDab Antibody Annotation SAbDab Database Homepage

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

InterPro: Protein Family Classification InterPro Database Homepage