The structure of VgrG1, the needle tip of the bacterial Type VI Secretion System
Domain Annotation: ECOD Classification ECOD Database Homepage
| Chains | Family Name | Domain Identifier | Architecture | Possible Homology | Homology | Topology | Family | Provenance Source (Version) |
|---|---|---|---|---|---|---|---|---|
| B | DUF433 | e4uhvB1 | A: a/b three-layered sandwiches | X: HTH | H: HTH | T: Three-helical HTH | F: DUF433 | ECOD (v294.1) |
| A | DUF433 | e4uhvA1 | A: a/b three-layered sandwiches | X: HTH | H: HTH | T: Three-helical HTH | F: DUF433 | ECOD (v294.1) |
Domain Annotation: CATH CATH Database Homepage
| Chain | Domain | Class | Architecture | Topology | Homology | Provenance Source (Version) |
|---|---|---|---|---|---|---|
| B | 2.30.110.50 | Mainly Beta | Roll | Pnp Oxidase | Chain A | CATH (4.3.0) |
| B | 3.55.50.10 | Alpha Beta | 3-Layer(bab) Sandwich | Phage tail protein beta-alpha-beta fold | Baseplate protein-like domains | CATH (4.3.0) |
| B | 4.10.220.110 | Few Secondary Structures | Irregular | Light-harvesting Protein | CATH (4.3.0) | |
| B | 2.40.50.230 | Mainly Beta | Beta Barrel | OB fold (Dihydrolipoamide Acetyltransferase, E2P) | Gp5 N-terminal domain | CATH (4.3.0) |
| A | 2.30.110.50 | Mainly Beta | Roll | Pnp Oxidase | Chain A | CATH (4.3.0) |
| A | 3.55.50.10 | Alpha Beta | 3-Layer(bab) Sandwich | Phage tail protein beta-alpha-beta fold | Baseplate protein-like domains | CATH (4.3.0) |
| A | 4.10.220.110 | Few Secondary Structures | Irregular | Light-harvesting Protein | CATH (4.3.0) | |
| A | 2.40.50.230 | Mainly Beta | Beta Barrel | OB fold (Dihydrolipoamide Acetyltransferase, E2P) | Gp5 N-terminal domain | CATH (4.3.0) |
Protein Family Annotation Pfam Database Homepage
| Chains | Accession | Name | Description | Comments | Source |
|---|---|---|---|---|---|
| PF22178 | Bacteriophage T4 gp5 C-terminal trimerisation domain (Gp5_trimer_C) | Bacteriophage T4 gp5 C-terminal trimerisation domain | - | Repeat | |
| PF04717 | Type VI secretion system/phage-baseplate injector OB domain (Phage_base_V) | Type VI secretion system/phage-baseplate injector OB domain | Family of bacterial and phage baseplate assembly proteins responsible for forming the small spike at the end of the tail or bacterial pathogenic needle-shaft [1]. This entry represents the OB fold part of the structure. This structure contains an unu ... | Domain | |
| PF05954 | Phage tail baseplate hub (GPD) (Phage_GPD) | Phage tail baseplate hub (GPD) | - | Family |














