HP VacA Protein SPECIFICATION SHEET Catalog #: L1H01206 Lot #: H100101 Description: Recombinant HP VacA Protein, Antigen Grade Recombinant Helicobacter pylori(Hp)VacA Antigen Molecular Weight: 30.34KD (calculated from sequence)30.4 KD (determined by SDS gelelectrophoresis)Source: E. coli Format: Purified, Liquid Purification: > 95% (determined by SDS gelelectrophoresis) Concentration: 1.0mg/ml(OD280) Buffer: 10mM PBS, pH 7.4 + 0.2 Preservative: 0.2%NaN3 Application: Protein standard in 1D and 2D SDS gelelectrophoresis Immunoassays Immunization. Storage: Store at –20°C. Avoid multiple freeze/thaw cycles. All donor units tested negative for HIV 1, HIV 2, HCV antibodies and HBsAg. No test guarantees a product to be non-infectious. Therefore, all material derived from human fluids or tissues should be considered as potentially infectious. This product contains sodium azide, which has been classified as Xn (Harmful) in European Directive 67/548/EEC in the concentration range of 0.1 – 1.0 %. When disposing of this reagent through lead or copper plumbing, flush with copious volumes of water to prevent azide build-up in drains.