Recombinant Protein A

Immunoglobulin G-binding protein A; IgG-binding protein A; Staphylococcal protein A; SpA

E.coli

E, WB, SDS-PAGE, MS

Greater than 95% as determined by reducing SDS-PAGE.

Liquid in a 0.2 μm filtered solution of PBS, pH 7.4.

Store it at -20°C to -80°C for one year. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.

Spa

Endotoxin: Less than 0.1 ng/μg (1 IEU/μg) as determined by LAL test.

P38507