Protein A Protein

Immunoglobulin G-binding protein A, IgG-binding protein A, Staphylococcal protein A, SPA.

Escherichia Coli

Greater than 95.0% as determined by RP-HPLC.

Greater than 95.0% binding activity to human IgG.

Sterile Filtered clear colorless solution.

Stability: SPA should be stored at -20°C

For research use only.

Recombinant & Natural Proteins

The protein solution contains no additives.