| Protein | Apparent mol wt (kDa) | Localization | Biochemical interaction and/or function | Vir homolog | References |
|---|---|---|---|---|---|
| CagE | 101 | Inner membrane? | Required for NF-κB activation and IL-8 induction; nucleoside triphosphate hydrolases (putative) | VirB4 | 67, 93 |
| CagT | 34 | Outer membrane? | Lipoprotein (putative); chaperone (putative); required for the stability of other components (putative) | VirB7 | 20, 58 |
| HP528 | 63 | Inner and outer membrane? | Interacts with other components (putative) | VirB9 | 20, 58 |
| HP527 | 207 | Inner membrane | Interacts with other components (putative); thermostability (putative) | VirB10 | 20, 58 |
| HP525 | 38 | Inner membrane | Nucleoside triphosphate hydrolases; form hexameric assemblies | VirB11 | 53, 54 |
| HP524 | 90 | Inner membrane? | Nucleoside triphosphate hydrolases (putative); required for CagA transportation | VirD4 | 20, 58 |
From: Chapter 20, Alternative Mechanisms of Protein Release
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