Native protein. Native protein. Alternative name: Islet-activating protein, PTX. Purity: ≥98%. Formulation: Lyophilized. Contains 0.05M sodium phosphate and 0.5M sodium chloride. Source: From Bordetella pertussis, strain NCTC 10739. Long Term Storage: +4°C. Applications: ELISA LINE assay, Cytotoxicity studies, Antibody capture.