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 SCOP-e Database Homepage
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 |
|---|---|---|---|---|---|---|---|---|
| H57 Fab | VH-CH1 | Cricetinae gen. sp. (Hamster) | IGHV3S1RNL*01, IGHJ3RNL*01, IGHG1*01 | V-DOMAIN VH, C-DOMAIN CH1 | IG | FAB-GAMMA-1_LAMBDA | IMGT (202546-0) | |
| H57 Fab | L-LAMBDA | Cricetinae gen. sp. (Hamster) | IGLV2*01, IGLJ, IGLC*01 | V-DOMAIN V-LAMBDA, C-DOMAIN C-LAMBDA | IG | FAB-GAMMA-1_LAMBDA | IMGT (202546-0) | |
| N15 TR | TR-BETA-1 | Mus musculus (house mouse) | TRBV12-1*01, TRBJ2-7*01, TRBJ2-7*02, TRBC1*01, TRBC2*01, TRBC2*03 | V-DOMAIN V-BETA, C-DOMAIN C-BETA-1 | TR | TR-ALPHA_BETA-1 | IMGT (202546-0) | |
| N15 TR | TR-ALPHA | Mus musculus (house mouse) | TRAV12D-1*01, TRAJ40*01, TRAC*01, TRAC*02 | V-DOMAIN V-ALPHA, C-DOMAIN C-ALPHA | TR | TR-ALPHA_BETA-1 | IMGT (202546-0) |
SAbDab Antibody Annotation SAbDab Database Homepage
| Chain | Chain Class | Chain Subclass | Chain Type | Antigen Name(s) | Provenance Source |
|---|---|---|---|---|---|
| Heavy Chain | IGHV6 | - | n15 alpha-beta t-cell receptor | SAbDab (2025-11-28) | |
| Light Chain | IGKV10 | Kappa | n15 alpha-beta t-cell receptor | SAbDab (2025-11-28) |
Protein Family Annotation Pfam Database Homepage
| Chains | Accession | Name | Description | Comments | Source |
|---|---|---|---|---|---|
| PF07654 | Immunoglobulin C1-set domain (C1-set) | Immunoglobulin C1-set domain | Domain | ||
| 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 |
|---|---|---|---|---|
| H57 FAB | - | - | - | |
| H57 FAB | - | - | - | |
| N15 ALPHA-BETA T-CELL RECEPTOR | - | - | ||
| N15 ALPHA-BETA T-CELL RECEPTOR | - |
InterPro: Protein Family Classification InterPro Database Homepage
| Chains | Accession | Name | Type |
|---|---|---|---|
| IPR003597 | Immunoglobulin C1-set | Domain | |
| IPR013783 | Immunoglobulin-like fold | Homologous Superfamily | |
| IPR036179 | Immunoglobulin-like domain superfamily | Homologous Superfamily | |
| IPR007110 | Immunoglobulin-like domain | Domain | |
| IPR050380 | Immune Recognition and Response Modulators | Family | |
| IPR013783 | Immunoglobulin-like fold | Homologous Superfamily | |
| IPR036179 | Immunoglobulin-like domain superfamily | Homologous Superfamily | |
| IPR015370 | T-cell receptor alpha chain, constant domain | Domain |














