Purified Staphylococcus aureus delta hemolysin (Hld), also known as delta toxin (?-toxin). This recombinant protein is tag-free. Tag Free, Recombinant Hld (S. aureus) is purified by column chromatography. Formulation & Storage: Supplied in PBS as a liquid. Store at -20°C. Notes & Usage Guidelines: ELISA: Assay-dependent dilution WB: Not Recommended Intended for research use only, not for human, therapeutic, or diagnostic applications. Certificate of analysis: A hardcopy of datasheet is sent along with the products. Please refer to it for detailed information.