1NFD | pdb_00001nfd

AN ALPHA-BETA T CELL RECEPTOR (TCR) HETERODIMER IN COMPLEX WITH AN ANTI-TCR FAB FRAGMENT DERIVED FROM A MITOGENIC ANTIBODY

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
IMGT Antibody Annotation
SAbDab Antibody Annotation
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
H	d1nfdh1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	V set domains (antibody variable domain-like)	Immunoglobulin heavy chain variable domain, VH	house mouse (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
H	d1nfdh2	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	C1 set domains (antibody constant domain-like)	Immunoglobulin heavy chain gamma constant domain 1, CH1-gamma	house mouse (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
F	d1nfdf1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	V set domains (antibody variable domain-like)	Immunoglobulin heavy chain variable domain, VH	house mouse (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
F	d1nfdf2	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	C1 set domains (antibody constant domain-like)	Immunoglobulin heavy chain gamma constant domain 1, CH1-gamma	house mouse (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
G	d1nfdg1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	V set domains (antibody variable domain-like)	Immunoglobulin light chain lambda variable domain, VL-lambda	house mouse (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
G	d1nfdg2	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	C1 set domains (antibody constant domain-like)	Immunoglobulin light chain lambda constant domain, CL-lambda	house mouse (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
E	d1nfde1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	V set domains (antibody variable domain-like)	Immunoglobulin light chain lambda variable domain, VL-lambda	house mouse (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
E	d1nfde2	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	C1 set domains (antibody constant domain-like)	Immunoglobulin light chain lambda constant domain, CL-lambda	house mouse (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
D	d1nfdd1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	V set domains (antibody variable domain-like)	T-cell antigen receptor	house mouse (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
D	d1nfdd2	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	C1 set domains (antibody constant domain-like)	T-cell antigen receptor	house mouse (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
B	d1nfdb1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	V set domains (antibody variable domain-like)	T-cell antigen receptor	house mouse (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
B	d1nfdb2	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	C1 set domains (antibody constant domain-like)	T-cell antigen receptor	house mouse (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
C	d1nfdc1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	V set domains (antibody variable domain-like)	T-cell antigen receptor	house mouse (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
C	d1nfdc2	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	C1 set domains (antibody constant domain-like)	T-cell antigen receptor	house mouse (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
A	d1nfda1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	V set domains (antibody variable domain-like)	T-cell antigen receptor	house mouse (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
A	d1nfda2	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	C1 set domains (antibody constant domain-like)	T-cell antigen receptor	house mouse (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
D	SCOP2B Superfamily	Immunoglobulin (Ig) domain-like	8054553	3000071	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Immunoglobulin (Ig) domain-like	8054553	3000071	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Immunoglobulin (Ig) domain-like	8054541	3000071	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Immunoglobulin (Ig) domain-like	8054541	3000071	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
H	C1-set_1	e1nfdH2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: C1-set_1	ECOD (1.6)
H	V-set_12	e1nfdH1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: V-set_12	ECOD (1.6)
F	C1-set_1	e1nfdF2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: C1-set_1	ECOD (1.6)
F	V-set_12	e1nfdF1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: V-set_12	ECOD (1.6)
G	C1-set_1	e1nfdG2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: C1-set_1	ECOD (1.6)
G	V-set_3	e1nfdG1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: V-set_3	ECOD (1.6)
E	C1-set_1	e1nfdE2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: C1-set_1	ECOD (1.6)
E	V-set_3	e1nfdE1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: V-set_3	ECOD (1.6)
D	C1-set	e1nfdD2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: C1-set	ECOD (1.6)
D	V-set_3	e1nfdD1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: V-set_3	ECOD (1.6)
B	C1-set	e1nfdB2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: C1-set	ECOD (1.6)
B	V-set_3	e1nfdB1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: V-set_3	ECOD (1.6)
C	DUF1968	e1nfdC2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: DUF1968	ECOD (1.6)
C	V-set_4	e1nfdC1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: V-set_4	ECOD (1.6)
A	DUF1968	e1nfdA2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: DUF1968	ECOD (1.6)
A	V-set_4	e1nfdA1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: V-set_4	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
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)
G	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)
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)

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
F, H	H57 Fab	VH-CH1	Cricetinae gen. sp. (Hamster)	IGHV3S1RNL01, IGHJ3RNL01, IGHG1*01	V-DOMAIN VH, C-DOMAIN CH1	IG	FAB-GAMMA-1_LAMBDA	IMGT (202539-0)
E, G	H57 Fab	L-LAMBDA	Cricetinae gen. sp. (Hamster)	IGLV201, IGLJ, IGLC01	V-DOMAIN V-LAMBDA, C-DOMAIN C-LAMBDA	IG	FAB-GAMMA-1_LAMBDA	IMGT (202539-0)
B, D	N15 TR	TR-BETA-1	Mus musculus (house mouse)	TRBV12-101, TRBJ2-701, TRBJ2-702, TRBC101, TRBC201, TRBC203	V-DOMAIN V-BETA, C-DOMAIN C-BETA-1	TR	TR-ALPHA_BETA-1	IMGT (202539-0)
A, C	N15 TR	TR-ALPHA	Mus musculus (house mouse)	TRAV12D-101, TRAJ4001, TRAC01, TRAC02	V-DOMAIN V-ALPHA, C-DOMAIN C-ALPHA	TR	TR-ALPHA_BETA-1	IMGT (202539-0)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
F, H	Heavy Chain	IGHV6	-	n15 alpha-beta t-cell receptor	SAbDab (2025-10-10)
E, G	Light Chain	IGKV10	Kappa	n15 alpha-beta t-cell receptor	SAbDab (2025-10-10)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
B, D	PF07654	Immunoglobulin C1-set domain (C1-set)	Immunoglobulin C1-set domain		Domain
A, C	PF09291	Domain of unknown function (DUF1968) (DUF1968)	Domain of unknown function (DUF1968)	Members of this family are found in mammalian T-cell antigen receptor, and adopt an immunoglobulin-like beta-sandwich fold, with seven strands in two beta-sheets in a Greek-key topology. Their exact function has not, as yet, been determined.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
F, H	H57 FAB	-	-	-
E, G	H57 FAB	-	-	-
B, D	N15 ALPHA-BETA T-CELL RECEPTOR	-	-	protein-containing complex plasma membrane protein complex membrane plasma membrane membrane protein complex alpha-beta T cell receptor complex receptor complex cell periphery cellular anatomical structure plasma membrane signaling receptor complex T cell receptor complex
A, C	N15 ALPHA-BETA T-CELL RECEPTOR	-	response to stimulus immune response immune system process adaptive immune response	cell periphery protein-containing complex cellular anatomical structure plasma membrane protein complex membrane plasma membrane plasma membrane signaling receptor complex membrane protein complex T cell receptor complex receptor complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B, D	IPR003597	Immunoglobulin C1-set	Domain
B, D	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
B, D	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
B, D	IPR007110	Immunoglobulin-like domain	Domain
B, D	IPR050380	Immune Recognition and Response Modulators	Family
A, C	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
A, C	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
A, C	IPR015370	T-cell receptor alpha chain, constant 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.