Rabbit purified IgG fraction of antiserum to Staphylococcus aureus (soluble and structural antigens). The immunogen is ATCC 27660. This antiserum has not been absorbed and may react with related microorganisms. Purity is >95% IgG and is supplied at a concentration of 4-5mg/mL in 0.01M PBS, pH 7.2 with 0.1% sodium azide. Recommend short term storage at 2-8°C or frozen for long term.