Annotations: 9LBW

HBcAg in complex with Fab mAb40

External Resource: Annotation

SAbDab Antibody Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
D [auth L]	Light Chain	IGKV3	Kappa	capsid protein \| capsid protein	SAbDab (2026-06-26)
C [auth H]	Heavy Chain	IGHV3	-	capsid protein \| capsid protein	SAbDab (2026-06-26)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
D [auth L]	Light chain of Fab mAb40	-	-	-
C [auth H]	Heavy chain of Fab mAb40	-	-	-
A, B	Capsid protein	DNA binding binding nucleic acid binding structural molecule activity RNA binding	biological process involved in interspecies interaction between organisms viral penetration into host nucleus intracellular transport of virus viral process viral life cycle transport of virus biological process involved in symbiotic interaction symbiont entry into host cell symbiont entry into host biological process involved in interaction with host microtubule-dependent intracellular transport of viral material microtubule-dependent intracellular transport of viral material towards nucleus transport of viral material towards nucleus symbiont-mediated perturbation of host defense response biological process involved in interspecies interaction between organisms viral penetration into host nucleus intracellular transport of virus viral process viral life cycle transport of virus biological process involved in symbiotic interaction symbiont entry into host cell symbiont entry into host biological process involved in interaction with host microtubule-dependent intracellular transport of viral material microtubule-dependent intracellular transport of viral material towards nucleus transport of viral material towards nucleus symbiont-mediated perturbation of host defense response symbiont-mediated perturbation of host process modulation of process of another organism	host cellular component cellular anatomical structure host cell other organism part viral capsid icosahedral viral capsid T=4 icosahedral viral capsid virion component extracellular region host intracellular part host cell cytoplasm host cell part host intracellular region

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR013195	Hepatitis B virus, capsid N-terminal	Domain
A, B	IPR036459	Viral capsid core domain supefamily, Hepatitis B virus	Homologous Superfamily
A, B	IPR002006	Hepatitis core antigen	Family

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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.

9LBW | pdb_00009lbw

HBcAg in complex with Fab mAb40

External Resource: Annotation

SAbDab Antibody Annotation SAbDab Database Homepage

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

InterPro: Protein Family Classification InterPro Database Homepage