3R06 | pdb_00003r06

Crystal structure of anti-mouse CD3epsilon antibody 2C11 Fab fragment

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
IMGT Antibody Annotation
SAbDab Antibody Annotation

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
H [auth L]	d3r06l1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	automated matches	automated matches	(Nothocricetulus migratorius ) [TaxId: 3122392 ],	SCOPe (2.08)
E	d3r06e1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	automated matches	automated matches	(Nothocricetulus migratorius ) [TaxId: 3122392 ],	SCOPe (2.08)
C	d3r06c1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	automated matches	automated matches	(Nothocricetulus migratorius ) [TaxId: 3122392 ],	SCOPe (2.08)
A	d3r06a1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	automated matches	automated matches	(Nothocricetulus migratorius ) [TaxId: 3122392 ],	SCOPe (2.08)
G [auth H]	d3r06h_	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	V set domains (antibody variable domain-like)	automated matches	(Nothocricetulus migratorius ) [TaxId: 3122392 ],	SCOPe (2.08)
F	d3r06f_	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	V set domains (antibody variable domain-like)	automated matches	(Nothocricetulus migratorius ) [TaxId: 3122392 ],	SCOPe (2.08)
D	d3r06d_	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	V set domains (antibody variable domain-like)	automated matches	(Nothocricetulus migratorius ) [TaxId: 3122392 ],	SCOPe (2.08)
B	d3r06b_	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	V set domains (antibody variable domain-like)	automated matches	(Nothocricetulus migratorius ) [TaxId: 3122392 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
H [auth L]	ABC_tran	e3r06L1	A: alpha bundles	X: beta-Grasp	H: HTH	T: winged helix domain	F: ABC_tran	ECOD (develop294)
E	ABC_tran	e3r06E1	A: alpha bundles	X: beta-Grasp	H: HTH	T: winged helix domain	F: ABC_tran	ECOD (develop294)
C	ABC_tran	e3r06C1	A: alpha bundles	X: beta-Grasp	H: HTH	T: winged helix domain	F: ABC_tran	ECOD (develop294)
A	C1-set	e3r06A1	A: alpha bundles	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: C1-set	ECOD (develop294)
G [auth H]	ABC_tran	e3r06H1	A: alpha bundles	X: beta-Grasp	H: HTH	T: winged helix domain	F: ABC_tran	ECOD (develop294)
G [auth H]	V-set	e3r06H3	A: alpha bundles	X: Subtilisin-like	H: Subtilisin-like	T: Subtilisin-like	F: V-set	ECOD (develop294)
F	ABC_tran	e3r06F1	A: alpha bundles	X: beta-Grasp	H: HTH	T: winged helix domain	F: ABC_tran	ECOD (develop294)
F	V-set	e3r06F3	A: alpha bundles	X: Subtilisin-like	H: Subtilisin-like	T: Subtilisin-like	F: V-set	ECOD (develop294)
D	ABC_tran	e3r06D1	A: alpha bundles	X: beta-Grasp	H: HTH	T: winged helix domain	F: ABC_tran	ECOD (develop294)
D	V-set	e3r06D3	A: alpha bundles	X: Subtilisin-like	H: Subtilisin-like	T: Subtilisin-like	F: V-set	ECOD (develop294)
B	C1-set	e3r06B1	A: alpha bundles	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: C1-set	ECOD (develop294)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
H [auth L]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
E	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)
G [auth H]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
F	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
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)

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, C, E, H [auth L]	2C11 Fab, anti-CD3E	L-KAPPA	Mus musculus (house mouse)	IGKV14-11101, IGKJ101, IGKC01, IGKC02	V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA	IG	FAB-GAMMA-2C_KAPPA	IMGT (202610-0)
B, D, F, G [auth H]	2C11 Fab, anti-CD3E	VH-CH1	Mus musculus (house mouse)	IGHV5-1701, IGHJ401, IGHG2A01, IGHG2A02, IGHG2B01, IGHG2B02, IGHG2C01, IGHG2C02, IGHG2C*03	V-DOMAIN VH, C-DOMAIN CH1	IG	FAB-GAMMA-2C_KAPPA	IMGT (202610-0)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
A, C, E, H [auth L]	Light Chain	IGKV14	Kappa	-	SAbDab (2026-03-20)
B, D, F, G [auth H]	Heavy Chain	IGHV5	-	-	SAbDab (2026-03-20)

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.