The Structure of SpoIISA and SpoIISB, a Toxin - Antitoxin System
Domain Annotation: ECOD Classification ECOD Database Homepage
| Chains | Family Name | Domain Identifier | Architecture | Possible Homology | Homology | Topology | Family | Provenance Source (Version) |
|---|---|---|---|---|---|---|---|---|
| D | FAD_binding_4 | e3o6qD1 | A: a/b three-layered sandwiches | X: Lipocalins/Streptavidin | H: Zn-dependent exopeptidases | T: Zn-dependent exopeptidases | F: FAD_binding_4 | ECOD (v294.1) |
| B | SpoIISB_antitox | e3o6qB1 | A: a/b three-layered sandwiches | X: Stage II sporulation protein SB | H: Stage II sporulation protein SB | T: Stage II sporulation protein SB | F: SpoIISB_antitox | ECOD (v294.1) |
| C | FAD_binding_4 | e3o6qC1 | A: a/b three-layered sandwiches | X: Lipocalins/Streptavidin | H: Zn-dependent exopeptidases | T: Zn-dependent exopeptidases | F: FAD_binding_4 | ECOD (v294.1) |
| A | Ribosomal_L6 | e3o6qA1 | A: a/b three-layered sandwiches | X: N-terminal beta-sandwich domain in anthrax protective antigen | H: Metallo-dependent phosphatases | T: Metallo-dependent phosphatases | F: Ribosomal_L6 | ECOD (v294.1) |
Domain Annotation: CATH CATH Database Homepage
| Chain | Domain | Class | Architecture | Topology | Homology | Provenance Source (Version) |
|---|---|---|---|---|---|---|
| D | 1.20.5.740 | Mainly Alpha | Up-down Bundle | Single alpha-helices involved in coiled-coils or other helix-helix interfaces | Single helix bin | CATH (4.3.0) |
| B | 1.20.5.740 | Mainly Alpha | Up-down Bundle | Single alpha-helices involved in coiled-coils or other helix-helix interfaces | Single helix bin | CATH (4.3.0) |
| C | 1.20.5.460 | Mainly Alpha | Up-down Bundle | Single alpha-helices involved in coiled-coils or other helix-helix interfaces | Single helix bin | CATH (4.3.0) |
| C | 3.30.70.2720 | Alpha Beta | 2-Layer Sandwich | Alpha-Beta Plaits | CATH (4.3.0) | |
| A | 1.20.5.460 | Mainly Alpha | Up-down Bundle | Single alpha-helices involved in coiled-coils or other helix-helix interfaces | Single helix bin | CATH (4.3.0) |
| A | 3.30.70.2720 | Alpha Beta | 2-Layer Sandwich | Alpha-Beta Plaits | CATH (4.3.0) |
Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage
| Chains | Polymer | Molecular Function | Biological Process | Cellular Component |
|---|---|---|---|---|
| Stage II sporulation protein SB | - | |||
| Stage II sporulation protein SA | - |
InterPro: Protein Family Classification InterPro Database Homepage
| Chains | Accession | Name | Type |
|---|---|---|---|
| IPR025897 | Antitoxin SpoIISB | Family | |
| IPR025940 | Toxin SpoIISA, type II toxin-antitoxin system | Family |
