Crystal structure of Internalin K (InlK) from Listeria monocytogenes
Domain Annotation: ECOD Classification ECOD Database Homepage
| Chains | Family Name | Domain Identifier | Architecture | Possible Homology | Homology | Topology | Family | Provenance Source (Version) |
|---|---|---|---|---|---|---|---|---|
| B | InlK_D3 | e4l3aB1 | A: a/b three-layered sandwiches | X: P-loop domains-like | H: P-loop domains-related | T: P-loop containing nucleoside triphosphate hydrolases | F: InlK_D3 | ECOD (v294.1) |
| A | InlK_D2 | e4l3aA2 | A: a/b three-layered sandwiches | X: A putative surface protein | H: A putative surface protein | T: A putative surface protein | F: InlK_D2 | ECOD (v294.1) |
| A | InlK_D3 | e4l3aA3 | A: a/b three-layered sandwiches | X: A putative surface protein | H: A putative surface protein | T: A putative surface protein | F: InlK_D3 | ECOD (v294.1) |
Domain Annotation: CATH CATH Database Homepage
| Chain | Domain | Class | Architecture | Topology | Homology | Provenance Source (Version) |
|---|---|---|---|---|---|---|
| B | 3.80.10.10 | Alpha Beta | Alpha-Beta Horseshoe | Leucine-rich repeat, LRR (right-handed beta-alpha superhelix) | Ribonuclease Inhibitor | CATH (4.3.0) |
| B | 2.60.40.3890 | Mainly Beta | Sandwich | Immunoglobulin-like | CATH (4.3.0) | |
| B | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (4.3.0) |
| A | 3.80.10.10 | Alpha Beta | Alpha-Beta Horseshoe | Leucine-rich repeat, LRR (right-handed beta-alpha superhelix) | Ribonuclease Inhibitor | CATH (4.3.0) |
| A | 2.60.40.3890 | Mainly Beta | Sandwich | Immunoglobulin-like | CATH (4.3.0) | |
| A | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (4.3.0) |
Protein Family Annotation Pfam Database Homepage
| Chains | Accession | Name | Description | Comments | Source |
|---|---|---|---|---|---|
| PF22122 | Internalin K domain D2 (InlK_D2) | Internalin K domain D2 | This domain is found at the elbow of internalin surface proteins InlK-like, used by the bacteria to invade mammalian cells. This domain has a beta-sandwich-like fold [1]. | Domain | |
| PF18981 | Internalin K domain (D3/D4) (InlK_D3) | Internalin K domain (D3/D4) | This domain is found at the elbow of internalin surface proteins, used by the bacteria to invade mammalian cells. This domain has an Ig-like fold [1]. | Domain |
InterPro: Protein Family Classification InterPro Database Homepage
| Chains | Accession | Name | Type |
|---|---|---|---|
| IPR054360 | Internalin K, domain D2 | Domain | |
| IPR032675 | Leucine-rich repeat domain superfamily | Homologous Superfamily | |
| IPR013783 | Immunoglobulin-like fold | Homologous Superfamily | |
| IPR044056 | Internalin I, Ig-like domain | Domain | |
| IPR051341 | Zyg-11-related ubiquitin ligase adapter protein | Family | |
| IPR019931 | LPXTG cell wall anchor motif | Conserved Site |














