Annotations: 3JBA

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
C [auth B]	SCOP2B Superfamily	Group I dsDNA viruses	8041026	3000939	SCOP2B (2022-06-29)
D [auth A]	SCOP2B Superfamily	Group I dsDNA viruses	8041026	3000939	SCOP2B (2022-06-29)
E	SCOP2B Superfamily	Group I dsDNA viruses	8041026	3000939	SCOP2B (2022-06-29)
F [auth D]	SCOP2B Superfamily	Group I dsDNA viruses	8041026	3000939	SCOP2B (2022-06-29)
G [auth C]	SCOP2B Superfamily	Group I dsDNA viruses	8041026	3000939	SCOP2B (2022-06-29)
H [auth F]	SCOP2B Superfamily	Group I dsDNA viruses	8041026	3000939	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A [auth L]	V-set	e3jbaL1	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 H]	V-set_12	e3jbaH1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: V-set_12	ECOD (1.6)
C [auth B]	Late_protein_L1	e3jbaB1	A: beta sandwiches	X: jelly-roll	H: Nucleoplasmin-like/VP (viral coat and capsid proteins) (From Topology)	T: Nucleoplasmin-like/VP (viral coat and capsid proteins)	F: Late_protein_L1	ECOD (1.6)
D [auth A]	Late_protein_L1	e3jbaA1	A: beta sandwiches	X: jelly-roll	H: Nucleoplasmin-like/VP (viral coat and capsid proteins) (From Topology)	T: Nucleoplasmin-like/VP (viral coat and capsid proteins)	F: Late_protein_L1	ECOD (1.6)
E	Late_protein_L1	e3jbaE1	A: beta sandwiches	X: jelly-roll	H: Nucleoplasmin-like/VP (viral coat and capsid proteins) (From Topology)	T: Nucleoplasmin-like/VP (viral coat and capsid proteins)	F: Late_protein_L1	ECOD (1.6)
F [auth D]	Late_protein_L1	e3jbaD1	A: beta sandwiches	X: jelly-roll	H: Nucleoplasmin-like/VP (viral coat and capsid proteins) (From Topology)	T: Nucleoplasmin-like/VP (viral coat and capsid proteins)	F: Late_protein_L1	ECOD (1.6)
G [auth C]	Late_protein_L1	e3jbaC1	A: beta sandwiches	X: jelly-roll	H: Nucleoplasmin-like/VP (viral coat and capsid proteins) (From Topology)	T: Nucleoplasmin-like/VP (viral coat and capsid proteins)	F: Late_protein_L1	ECOD (1.6)
H [auth F]	Late_protein_L1	e3jbaF1	A: beta sandwiches	X: jelly-roll	H: Nucleoplasmin-like/VP (viral coat and capsid proteins) (From Topology)	T: Nucleoplasmin-like/VP (viral coat and capsid proteins)	F: Late_protein_L1	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
A [auth L]	H16.U4 Fv	V-KAPPA	Mus musculus (house mouse)	IGKV8-3001, IGKJ501	V-DOMAIN V-KAPPA	IG	FV-HEAVY_KAPPA	IMGT (202510-0)
B [auth H]	H16.U4 Fv	VH	Mus musculus (house mouse)	IGHV5-9-101, IGHV5-9-301, IGHJ2*01	V-DOMAIN VH	IG	FV-HEAVY_KAPPA	IMGT (202510-0)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
A [auth L]	Light Chain	IGKV8	Kappa	major capsid protein l1	SAbDab (2025-03-21)
B [auth H]	Heavy Chain	IGHV5	-	major capsid protein l1	SAbDab (2025-03-21)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
C [auth B], D [auth A], E, F [auth D], G [auth C], C [auth B], D [auth A], E, F [auth D], G [auth C], H [auth F]	PF00500	L1 (late) protein (Late_protein_L1)	L1 (late) protein		Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth L]	H16.U4 antibody light chain	-	-	-
B [auth H]	H16.U4 antibody heavy chain	-	-	-
C [auth B], D [auth A], E, F [auth D], G [auth C], C [auth B], D [auth A], E, F [auth D], G [auth C], H [auth F]	Major capsid protein L1	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 endocytosis involved in viral entry into host cell	viral capsid icosahedral viral capsid T=7 icosahedral viral capsid virion component host intracellular membrane-bounded organelle host cellular component host intracellular part cellular anatomical structure host cell part host intracellular region host cell nucleus host intracellular organelle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
C [auth B], D [auth A], E, F [auth D], G [auth C], C [auth B], D [auth A], E, F [auth D], G [auth C], H [auth F]	IPR036973	Major capsid L1 (late) superfamily, Papillomavirus	Homologous Superfamily
C [auth B], D [auth A], E, F [auth D], G [auth C], C [auth B], D [auth A], E, F [auth D], G [auth C], H [auth F]	IPR011222	Double-stranded DNA virus, group I, capsid	Homologous Superfamily
C [auth B], D [auth A], E, F [auth D], G [auth C], C [auth B], D [auth A], E, F [auth D], G [auth C], H [auth F]	IPR002210	Major capsid L1 (late) protein, Papillomavirus	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.