Description_x000D_ Application_x000D_ Used to reduce or eliminate bacterial contamination in cell, especially primary cell, cultures. Recommended for use in cell culture applications at 10 ml/L._x000D_ Biochem/physiol Actions_x000D_ Mode of Action: Glutamine is essential as an energy source for most mammalian cells in culture because of its amino acid carbon skeleton. Penicillin acts by inhibiting bacterial cell wall synthesis. Streptomycin inhibits prokaryote protein synthesis by preventing the transition from initiation complex to chain-elongating ribosome and causes miscoding._x000D_ Antimicrobial spectrum: Gram-negative and Gram-positive bacteria._x000D_ Components_x000D_ Formulated with 200 mM L-glutamine, 10,000 units/ml penicillin, and 10 mg/ml streptomycin in 0.9% sodium chloride.