Purified, Tag-Free, Recombinant Staphylococcus aureus Panton-Valentine Leukocidin (PVL) F subunit (LukF-PV): Expressed in E. coli purified by column chromatography The theoretical molecular weight of the protein is 34,580 Daltons. Formulation & Storage: Supplied in PBS containing sodium chloride and 5% glycerol. Store at -20°C for 23 weeks, -80°C for long term. Notes & Usage Guidelines: ELISA: Assay-dependent dilution WB: Assay-dependent dilution Intended for research use only, not for human, therapeutic, or diagnostic applications.