| Product description | The recombinant protein contains CagA Helicobacter pylori immunodominant regions, expressed and derived from E.coli |
| Purification methods | Purified by affinity chromatography |
| Buffer composition | 50mM Tris, 20mM Glutathione, pH8.0 |
| Preservative | None |
| Storage | Frozen at -70 ˚C, avoid repeated freeze-thaw cycles |