Annotations: 5U65

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
B	d5u65b_	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	V set domains (antibody variable domain-like)	automated matches	(Camelus dromedarius ) [TaxId: 9838 ],	SCOPe (2.08)
A	d5u65a_	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	V set domains (antibody variable domain-like)	automated matches	(Camelus dromedarius ) [TaxId: 9838 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	XRCC4	e5u65B1	A: a/b three-layered sandwiches	X: TIM beta/alpha-barrel	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: XRCC4	ECOD (v294.1)
A	XRCC4	e5u65A1	A: a/b three-layered sandwiches	X: TIM beta/alpha-barrel	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: XRCC4	ECOD (v294.1)

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, B	VHH-5, Nanobody	VH	Camelus dromedarius (Arabian camel)	IGHV3S47*01	V-DOMAIN VH	IG	(VH)	IMGT (202612-0)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
A, B	Heavy Chain	IGHV1	-	-	SAbDab (2026-03-27)

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.