TrwK/VirB4unbound trimer of dimers complex (with Hcp1) from the R388 type IV secretion system determined by cryo-EM.
Domain Annotation: SCOP2 Classification SCOP2 Database Homepage
| Chains | Type | Family Name | Domain Identifier | Family Identifier | Provenance Source (Version) |
|---|---|---|---|---|---|
| F | SCOP2B Superfamily | T6SS-like | 8034003 | 3000580 | SCOP2B (2022-06-29) |
| E | SCOP2B Superfamily | T6SS-like | 8034003 | 3000580 | SCOP2B (2022-06-29) |
| D | SCOP2B Superfamily | T6SS-like | 8034003 | 3000580 | SCOP2B (2022-06-29) |
| C | SCOP2B Superfamily | T6SS-like | 8034003 | 3000580 | SCOP2B (2022-06-29) |
| B | SCOP2B Superfamily | T6SS-like | 8034003 | 3000580 | SCOP2B (2022-06-29) |
| A | SCOP2B Superfamily | T6SS-like | 8034003 | 3000580 | SCOP2B (2022-06-29) |
Protein Family Annotation Pfam Database Homepage
| Chains | Accession | Name | Description | Comments | Source |
|---|---|---|---|---|---|
| PF05638 | Type VI secretion system effector, Hcp (T6SS_HCP) | Type VI secretion system effector, Hcp | HCP is a family of proteins which are expressed in up to 1000 copies in Gram-negative bacteria. Together these copies aggregate into a needle-like shaft or tube that will penetrate other bacteria via a puncturing protein attached to its head [1] bein ... | Domain |
Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage
InterPro: Protein Family Classification InterPro Database Homepage
| Chains | Accession | Name | Type |
|---|---|---|---|
| IPR043964 | TraG, P-loop domain | Domain | |
| IPR018145 | Type IV secretion system ATPase VirB4/TrbE, middle domain | Domain | |
| IPR051162 | T4SS_component | Unknown | |
| IPR004346 | Type IV secretion system ATPase VirB4/TrbE | Family | |
| IPR027417 | P-loop containing nucleoside triphosphate hydrolase | Homologous Superfamily | |
| IPR036624 | Hcp1-like superfamily | Homologous Superfamily | |
| IPR053165 | HSI-I assembly protein Hcp1 | Family | |
| IPR008514 | Type VI secretion system effector Hcp | Domain |














