Annotations: 5XHG

Crystal structure of Trastuzumab Fab fragment bearing Ne-(o-azidobenzyloxycarbonyl)-L-lysine

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
SAbDab Antibody Annotation
Thera-SAbDab Antibody Annotation

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
D	d5xhgd1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	V set domains (antibody variable domain-like)	Immunoglobulin heavy chain variable domain, VH	MOUSE (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
D	d5xhgd2	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	C1 set domains (antibody constant domain-like)	Immunoglobulin heavy chain gamma constant domain 1, CH1-gamma	MOUSE (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
B	d5xhgb1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	V set domains (antibody variable domain-like)	Immunoglobulin heavy chain variable domain, VH	MOUSE (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
B	d5xhgb2	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	C1 set domains (antibody constant domain-like)	Immunoglobulin heavy chain gamma constant domain 1, CH1-gamma	MOUSE (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
C	d5xhgc2	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	C1 set domains (antibody constant domain-like)	automated matches	MOUSE (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
C	d5xhgc1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	automated matches	automated matches	MOUSE (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
A	d5xhga2	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	C1 set domains (antibody constant domain-like)	automated matches	MOUSE (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
A	d5xhga1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	automated matches	automated matches	MOUSE (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
D	ATP-synt_VA_C	e5xhgD1	A: beta barrels	X: FAD-linked reductases, C-terminal domain-like	H: FAD-linked reductases-C	T: FAD-linked reductases-C	F: ATP-synt_VA_C	ECOD (v294.2)
B	ATP-synt_VA_C	e5xhgB1	A: beta barrels	X: FAD-linked reductases, C-terminal domain-like	H: FAD-linked reductases-C	T: FAD-linked reductases-C	F: ATP-synt_VA_C	ECOD (v294.2)
C	ATP-synt_VA_C	e5xhgC1	A: beta barrels	X: FAD-linked reductases, C-terminal domain-like	H: FAD-linked reductases-C	T: FAD-linked reductases-C	F: ATP-synt_VA_C	ECOD (v294.2)
A	ATP-synt_VA_C	e5xhgA1	A: beta barrels	X: FAD-linked reductases, C-terminal domain-like	H: FAD-linked reductases-C	T: FAD-linked reductases-C	F: ATP-synt_VA_C	ECOD (v294.2)

Domain Annotation: CATH CATH Database Homepage

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

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
B, D	Heavy Chain	IGHV3	-	-	SAbDab (2026-05-08)
A, C	Light Chain	IGKV1	Kappa	-	SAbDab (2026-05-08)

Thera-SAbDab Antibody Annotation Thera-SAbDab Database Homepage

Chain	Name	Target	Provenance Source
B, D	Vislarafusp	SIRPA, ERBB2/CD340/HER2, TNFRSF9/CD137/4-1BB, CD3E	Therapeutic SAbDab (2026-05-08)
A, C	Trastuzumab	ERBB2/CD340/HER2, CD3E, TNFRSF9/CD137/4-1BB, SIRPA	Therapeutic SAbDab (2026-05-08)

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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.