Staphylococcus Aureus ESAT-6-like secretion system (Ess) extracellular protein A (EsxA) His-6 or also known as S. aureus ESAT-6 secretion system extracellular protein A (EsxA His6). Expressed and harvested from E. coli as a recombinant protein. The theoretical molecular weight of the protein is approximately 11.8 kDa Formulation & Storage: Supplied in PBS and 0.02% proclin. Store at +4°C for 2-3 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