Structure of the Salmonella SPI-1 type III secretion injectisome secretin InvG in the open gate state
External Resource: Annotation
Domain Annotation: SCOP2 Classification SCOP2 Database Homepage
| Chains | Type | Family Name | Domain Identifier | Family Identifier | Provenance Source (Version) |
|---|---|---|---|---|---|
| A | SCOP2B Superfamily | Secretin repeat domain-like | 8057265 | 3002387 | SCOP2B (2022-06-29) |
| A | SCOP2B Superfamily | STN domain-like | 8057266 | 3002388 | SCOP2B (2022-06-29) |
| B | SCOP2B Superfamily | STN domain-like | 8057266 | 3002388 | SCOP2B (2022-06-29) |
| B | SCOP2B Superfamily | Secretin repeat domain-like | 8057265 | 3002387 | SCOP2B (2022-06-29) |
| C | SCOP2B Superfamily | STN domain-like | 8057266 | 3002388 | SCOP2B (2022-06-29) |
| C | SCOP2B Superfamily | Secretin repeat domain-like | 8057265 | 3002387 | SCOP2B (2022-06-29) |
| D | SCOP2B Superfamily | STN domain-like | 8057266 | 3002388 | SCOP2B (2022-06-29) |
| D | SCOP2B Superfamily | Secretin repeat domain-like | 8057265 | 3002387 | SCOP2B (2022-06-29) |
| E | SCOP2B Superfamily | Secretin repeat domain-like | 8057265 | 3002387 | SCOP2B (2022-06-29) |
| E | SCOP2B Superfamily | STN domain-like | 8057266 | 3002388 | SCOP2B (2022-06-29) |
| F | SCOP2B Superfamily | Secretin repeat domain-like | 8057265 | 3002387 | SCOP2B (2022-06-29) |
| F | SCOP2B Superfamily | STN domain-like | 8057266 | 3002388 | SCOP2B (2022-06-29) |
| G | SCOP2B Superfamily | STN domain-like | 8057266 | 3002388 | SCOP2B (2022-06-29) |
| G | SCOP2B Superfamily | Secretin repeat domain-like | 8057265 | 3002387 | SCOP2B (2022-06-29) |
| H | SCOP2B Superfamily | STN domain-like | 8057266 | 3002388 | SCOP2B (2022-06-29) |
| H | SCOP2B Superfamily | Secretin repeat domain-like | 8057265 | 3002387 | SCOP2B (2022-06-29) |
| I | SCOP2B Superfamily | STN domain-like | 8057266 | 3002388 | SCOP2B (2022-06-29) |
| I | SCOP2B Superfamily | Secretin repeat domain-like | 8057265 | 3002387 | SCOP2B (2022-06-29) |
| J | SCOP2B Superfamily | Secretin repeat domain-like | 8057265 | 3002387 | SCOP2B (2022-06-29) |
| J | SCOP2B Superfamily | STN domain-like | 8057266 | 3002388 | SCOP2B (2022-06-29) |
| K | SCOP2B Superfamily | STN domain-like | 8057266 | 3002388 | SCOP2B (2022-06-29) |
| K | SCOP2B Superfamily | Secretin repeat domain-like | 8057265 | 3002387 | SCOP2B (2022-06-29) |
| L | SCOP2B Superfamily | Secretin repeat domain-like | 8057265 | 3002387 | SCOP2B (2022-06-29) |
| L | SCOP2B Superfamily | STN domain-like | 8057266 | 3002388 | SCOP2B (2022-06-29) |
| M | SCOP2B Superfamily | STN domain-like | 8057266 | 3002388 | SCOP2B (2022-06-29) |
| M | SCOP2B Superfamily | Secretin repeat domain-like | 8057265 | 3002387 | SCOP2B (2022-06-29) |
| N | SCOP2B Superfamily | Secretin repeat domain-like | 8057265 | 3002387 | SCOP2B (2022-06-29) |
| N | SCOP2B Superfamily | STN domain-like | 8057266 | 3002388 | SCOP2B (2022-06-29) |
| O | SCOP2B Superfamily | Secretin repeat domain-like | 8057265 | 3002387 | SCOP2B (2022-06-29) |
| O | SCOP2B Superfamily | STN domain-like | 8057266 | 3002388 | 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) |
|---|---|---|---|---|---|---|---|---|
| A | 7tm_1,Rhodopsin_N | e6dv3A1 | A: a/b three-layered sandwiches | X: PriB N-terminal domain-like | H: ADP-ribosylation | T: ADP-ribosylation | F: 7tm_1,Rhodopsin_N | ECOD (v294.1) |
| B | Anoctamin | e6dv3B1 | A: a/b three-layered sandwiches | X: PriB N-terminal domain-like | H: gp11/gp12 receptor-binding domain | T: gp11/gp12 receptor-binding domain | F: Anoctamin | ECOD (v294.1) |
| C | Anoctamin | e6dv3C1 | A: a/b three-layered sandwiches | X: PriB N-terminal domain-like | H: gp11/gp12 receptor-binding domain | T: gp11/gp12 receptor-binding domain | F: Anoctamin | ECOD (v294.1) |
| D | Anoctamin | e6dv3D1 | A: a/b three-layered sandwiches | X: PriB N-terminal domain-like | H: gp11/gp12 receptor-binding domain | T: gp11/gp12 receptor-binding domain | F: Anoctamin | ECOD (v294.1) |
| E | Anoctamin | e6dv3E1 | A: a/b three-layered sandwiches | X: PriB N-terminal domain-like | H: gp11/gp12 receptor-binding domain | T: gp11/gp12 receptor-binding domain | F: Anoctamin | ECOD (v294.1) |
| F | Anoctamin | e6dv3F1 | A: a/b three-layered sandwiches | X: PriB N-terminal domain-like | H: gp11/gp12 receptor-binding domain | T: gp11/gp12 receptor-binding domain | F: Anoctamin | ECOD (v294.1) |
| G | Anoctamin | e6dv3G1 | A: a/b three-layered sandwiches | X: PriB N-terminal domain-like | H: gp11/gp12 receptor-binding domain | T: gp11/gp12 receptor-binding domain | F: Anoctamin | ECOD (v294.1) |
| H | Anoctamin | e6dv3H1 | A: a/b three-layered sandwiches | X: PriB N-terminal domain-like | H: gp11/gp12 receptor-binding domain | T: gp11/gp12 receptor-binding domain | F: Anoctamin | ECOD (v294.1) |
| I | Anoctamin | e6dv3I1 | A: a/b three-layered sandwiches | X: PriB N-terminal domain-like | H: gp11/gp12 receptor-binding domain | T: gp11/gp12 receptor-binding domain | F: Anoctamin | ECOD (v294.1) |
| J | Anoctamin | e6dv3J1 | A: a/b three-layered sandwiches | X: PriB N-terminal domain-like | H: gp11/gp12 receptor-binding domain | T: gp11/gp12 receptor-binding domain | F: Anoctamin | ECOD (v294.1) |
| K | Anoctamin | e6dv3K1 | A: a/b three-layered sandwiches | X: PriB N-terminal domain-like | H: gp11/gp12 receptor-binding domain | T: gp11/gp12 receptor-binding domain | F: Anoctamin | ECOD (v294.1) |
| L | Anoctamin | e6dv3L1 | A: a/b three-layered sandwiches | X: PriB N-terminal domain-like | H: gp11/gp12 receptor-binding domain | T: gp11/gp12 receptor-binding domain | F: Anoctamin | ECOD (v294.1) |
| M | Anoctamin | e6dv3M1 | A: a/b three-layered sandwiches | X: PriB N-terminal domain-like | H: gp11/gp12 receptor-binding domain | T: gp11/gp12 receptor-binding domain | F: Anoctamin | ECOD (v294.1) |
| N | Anoctamin | e6dv3N1 | A: a/b three-layered sandwiches | X: PriB N-terminal domain-like | H: gp11/gp12 receptor-binding domain | T: gp11/gp12 receptor-binding domain | F: Anoctamin | ECOD (v294.1) |
| O | Anoctamin | e6dv3O1 | A: a/b three-layered sandwiches | X: PriB N-terminal domain-like | H: gp11/gp12 receptor-binding domain | T: gp11/gp12 receptor-binding domain | F: Anoctamin | ECOD (v294.1) |
Protein Family Annotation Pfam Database Homepage
| Chains | Accession | Name | Description | Comments | Source |
|---|---|---|---|---|---|
| PF03958 | Bacterial type II/III secretion system short domain (Secretin_N) | Bacterial type II/III secretion system short domain | This is a short, often repeated, domain found in bacterial type II/III secretory system proteins. All previous NolW-like domains fall into this family. | Domain | |
| PF00263 | Bacterial type II and III secretion system protein (Secretin) | Bacterial type II and III secretion system protein | - | Family | |
| PF21304 | SPI-1 type 3 secretion system secretin, N0 domain (T3S_SPI-1_N0) | SPI-1 type 3 secretion system secretin, N0 domain | SPI-1 type 3 secretion system secretin forms a ring-shaped multimeric structure which is used to inject bacterial effector proteins into eukaryotic host cells [1-3]. It consists of several N-terminal short domains and a C-terminal secretin domain (P ... | Domain |
Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage
InterPro: Protein Family Classification InterPro Database Homepage
| Chains | Accession | Name | Type |
|---|---|---|---|
| IPR050810 | Bacterial Secretion System Channel Protein | Family | |
| IPR005644 | NolW-like | Domain | |
| IPR004846 | Type II/III secretion system, secretin-like domain | Domain | |
| IPR038591 | NolW-like superfamily | Homologous Superfamily | |
| IPR003522 | Type III secretion system outer membrane pore YscC/HrcC | Family | |
| IPR004845 | Type II secretion system protein GspD, conserved site | Conserved Site | |
| IPR049034 | SPI-1 type 3 secretion system secretin, N0 domain | Domain |
Membrane Protein Annotation: OPM OPM Database Homepage
| Chains | External Link | Type | Class | Superfamily | Family |
|---|---|---|---|---|---|
| OPM | Transmembrane | Beta-barrel transmembrane | Outer bacterial membrane secretin | Outer bacterial membrane secretion |
Membrane Protein Annotation: PDBTM PDBTM Database Homepage
Membrane Protein Annotation: mpstruc mpstruc Database Homepage
| Chains | Resource Link | Group | Subgroup | Protein |
|---|---|---|---|---|
| mpstruc | TRANSMEMBRANE PROTEINS: BETA-BARREL | Type III Secretion Systems | T3S injectisome needle complex: Periplasmic domains of PrgH and PrgK |














