Crystal Structure of Staphylococcal Enterotoxin G (SEG) in Complex with a High Affinity Mutant Mouse T-cell Receptor Chain
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) |
|---|---|---|---|---|---|
| O | SCOP2B Superfamily | Immunoglobulin (Ig) domain-like | 8054445 | 3000071 | SCOP2B (2022-06-29) |
| M | SCOP2B Superfamily | Immunoglobulin (Ig) domain-like | 8054445 | 3000071 | SCOP2B (2022-06-29) |
| K | SCOP2B Superfamily | Immunoglobulin (Ig) domain-like | 8054445 | 3000071 | SCOP2B (2022-06-29) |
| I | SCOP2B Superfamily | Immunoglobulin (Ig) domain-like | 8054445 | 3000071 | SCOP2B (2022-06-29) |
| G | SCOP2B Superfamily | Immunoglobulin (Ig) domain-like | 8054445 | 3000071 | SCOP2B (2022-06-29) |
| E | SCOP2B Superfamily | Immunoglobulin (Ig) domain-like | 8054445 | 3000071 | SCOP2B (2022-06-29) |
| C | SCOP2B Superfamily | Immunoglobulin (Ig) domain-like | 8054445 | 3000071 | SCOP2B (2022-06-29) |
| A | SCOP2B Superfamily | Immunoglobulin (Ig) domain-like | 8054445 | 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) |
|---|---|---|---|---|---|---|---|---|
| P | Stap_Strp_toxin | e3oweP1 | A: beta barrels | X: OB-fold | H: Bacterial enterotoxins (From Topology) | T: Bacterial enterotoxins | F: Stap_Strp_toxin | ECOD (1.6) |
| P | Stap_Strp_tox_C | e3oweP2 | A: a+b two layers | X: beta-Grasp | H: Ubiquitin-related | T: Ubiquitin-like | F: Stap_Strp_tox_C | ECOD (1.6) |
| N | Stap_Strp_toxin | e3oweN1 | A: beta barrels | X: OB-fold | H: Bacterial enterotoxins (From Topology) | T: Bacterial enterotoxins | F: Stap_Strp_toxin | ECOD (1.6) |
| N | Stap_Strp_tox_C | e3oweN2 | A: a+b two layers | X: beta-Grasp | H: Ubiquitin-related | T: Ubiquitin-like | F: Stap_Strp_tox_C | ECOD (1.6) |
| L | Stap_Strp_toxin | e3oweL1 | A: beta barrels | X: OB-fold | H: Bacterial enterotoxins (From Topology) | T: Bacterial enterotoxins | F: Stap_Strp_toxin | ECOD (1.6) |
| L | Stap_Strp_tox_C | e3oweL2 | A: a+b two layers | X: beta-Grasp | H: Ubiquitin-related | T: Ubiquitin-like | F: Stap_Strp_tox_C | ECOD (1.6) |
| J | Stap_Strp_toxin | e3oweJ1 | A: beta barrels | X: OB-fold | H: Bacterial enterotoxins (From Topology) | T: Bacterial enterotoxins | F: Stap_Strp_toxin | ECOD (1.6) |
| J | Stap_Strp_tox_C | e3oweJ2 | A: a+b two layers | X: beta-Grasp | H: Ubiquitin-related | T: Ubiquitin-like | F: Stap_Strp_tox_C | ECOD (1.6) |
| H | Stap_Strp_toxin | e3oweH1 | A: beta barrels | X: OB-fold | H: Bacterial enterotoxins (From Topology) | T: Bacterial enterotoxins | F: Stap_Strp_toxin | ECOD (1.6) |
| H | Stap_Strp_tox_C | e3oweH2 | A: a+b two layers | X: beta-Grasp | H: Ubiquitin-related | T: Ubiquitin-like | F: Stap_Strp_tox_C | ECOD (1.6) |
| F | Stap_Strp_toxin | e3oweF1 | A: beta barrels | X: OB-fold | H: Bacterial enterotoxins (From Topology) | T: Bacterial enterotoxins | F: Stap_Strp_toxin | ECOD (1.6) |
| F | Stap_Strp_tox_C | e3oweF2 | A: a+b two layers | X: beta-Grasp | H: Ubiquitin-related | T: Ubiquitin-like | F: Stap_Strp_tox_C | ECOD (1.6) |
| D | Stap_Strp_toxin | e3oweD1 | A: beta barrels | X: OB-fold | H: Bacterial enterotoxins (From Topology) | T: Bacterial enterotoxins | F: Stap_Strp_toxin | ECOD (1.6) |
| D | Stap_Strp_tox_C | e3oweD2 | A: a+b two layers | X: beta-Grasp | H: Ubiquitin-related | T: Ubiquitin-like | F: Stap_Strp_tox_C | ECOD (1.6) |
| B | Stap_Strp_toxin | e3oweB1 | A: beta barrels | X: OB-fold | H: Bacterial enterotoxins (From Topology) | T: Bacterial enterotoxins | F: Stap_Strp_toxin | ECOD (1.6) |
| B | Stap_Strp_tox_C | e3oweB2 | A: a+b two layers | X: beta-Grasp | H: Ubiquitin-related | T: Ubiquitin-like | F: Stap_Strp_tox_C | ECOD (1.6) |
| O | V-set_3 | e3oweO1 | 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) |
| M | V-set_3 | e3oweM1 | 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) |
| K | V-set_3 | e3oweK1 | 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) |
| I | V-set_3 | e3oweI1 | 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) |
| G | V-set_3 | e3oweG1 | 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 | V-set_3 | e3oweE1 | 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 | V-set_3 | e3oweC1 | 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) |
| A | V-set_3 | e3oweA1 | 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) |
Domain Annotation: CATH CATH Database Homepage
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 |
|---|---|---|---|---|---|---|---|---|
| Superantigen enterotoxin type G (SEG) | Toxin | Staphylococcus aureus | entG*01 | R-LIKE-DOMAIN SAG-DOMAIN | TOX | Protein | IMGT (202546-0) | |
| Beta-chain | V-BETA | Mus musculus (house mouse) | TRBV13-2*01, TRBJ2-4*01 | V-DOMAIN V-BETA | TR | (V-BETA) | IMGT (202546-0) |
Protein Family Annotation Pfam Database Homepage
| Chains | Accession | Name | Description | Comments | Source |
|---|---|---|---|---|---|
| PF01123 | Staphylococcal/Streptococcal toxin, OB-fold domain (Stap_Strp_toxin) | Staphylococcal/Streptococcal toxin, OB-fold domain | This entry represents an OB-fold domain found in enterotoxins. | Domain | |
| PF02876 | Staphylococcal/Streptococcal toxin, beta-grasp domain (Stap_Strp_tox_C) | Staphylococcal/Streptococcal toxin, beta-grasp domain | Domain | ||
| PF07686 | Immunoglobulin V-set domain (V-set) | Immunoglobulin V-set domain | This domain is found in antibodies as well as neural protein P0 and CTL4 amongst others. | Domain |
Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage
| Chains | Polymer | Molecular Function | Biological Process | Cellular Component |
|---|---|---|---|---|
| Enterotoxin SEG | - | |||
| Beta-chain | - |
InterPro: Protein Family Classification InterPro Database Homepage
| Chains | Accession | Name | Type |
|---|---|---|---|
| IPR006123 | Staphylococcal/Streptococcal toxin, beta-grasp domain | Domain | |
| IPR006177 | Staphylococcal/streptococcal toxin, bacterial | Family | |
| IPR006126 | Staphylococcal enterotoxin/Streptococcal pyrogenic exotoxin, conserved site | Conserved Site | |
| IPR016091 | Superantigen toxin, C-terminal | Homologous Superfamily | |
| IPR006173 | Staphylococcal/Streptococcal toxin, OB-fold | Domain | |
| IPR013307 | Superantigen, staphylococcal/streptococcal toxin, bacterial | Family | |
| IPR008992 | Enterotoxin | Homologous Superfamily | |
| IPR013783 | Immunoglobulin-like fold | Homologous Superfamily | |
| IPR036179 | Immunoglobulin-like domain superfamily | Homologous Superfamily | |
| IPR013106 | Immunoglobulin V-set domain | Domain | |
| IPR003599 | Immunoglobulin domain subtype | Domain | |
| IPR007110 | Immunoglobulin-like domain | Domain | |
| IPR050413 | T cell receptor beta variable | Family |














