4U0R | pdb_00004u0r

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
C	d4u0rc1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	automated matches	automated matches	house mouse (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
B	d4u0rb_	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	V set domains (antibody variable domain-like)	automated matches	house mouse (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Acetyltransf_9	e4u0rA1	A: a/b three-layered sandwiches	X: RuvA-C	H: post-HMGL domain-like	T: post-HMGL domain-like	F: Acetyltransf_9	ECOD (v294.1)
C	Viral_helicase1	e4u0rC1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Viral_helicase1	ECOD (v294.1)
B	Viral_helicase1	e4u0rB1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Viral_helicase1	ECOD (v294.1)

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
C	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
B	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)

Chain	Protein Name	Description	Organism Name	Gene Allele Name(s)	Domain Name(s)	Receptor Type	Receptor Description	Provenance Source
C	Monoclonal antibody 9AD4	L-KAPPA	Mus musculus (house mouse)	IGKV3-101, IGKJ101, IGKC01, IGKC02	V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA	IG	FAB-GAMMA-2A_KAPPA	IMGT (202611-0)
B	Monoclonal antibody 9AD4	VH-CH1	Mus musculus (house mouse)	IGHV5-1502, IGHJ101, IGHJ102, IGHG2A01, IGHG2A*02	V-DOMAIN VH, C-DOMAIN CH1	IG	FAB-GAMMA-2A_KAPPA	IMGT (202611-0)

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
C	Light Chain	IGKV3	Kappa	reticulocyte binding protein 5	SAbDab (2026-03-27)
B	Heavy Chain	IGHV5	-	reticulocyte binding protein 5	SAbDab (2026-03-27)

Chains	Accession	Name	Type
A	IPR041668	RBP-2-like, helical domain	Domain

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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