Greater than 97.0% as determined by: (a) Analysis by HPLC. (b) Analysis by SDS-PAGE.
Storage:
-20 ℃
Source:
Escherichia Coli.
Production:
SPA Recombinant produced in E.Coli is a homodimeric non-glycosylated polypeptide chains comprised of 5 IgG-binding domains E-D-A-B-C aligned in series containing 296 amino acids and having a molecular mass of 33.4kDa containing little or no carbohydrate. Cell wall binding region, cell membrane binding region and albumin binding region were removed to ensure the highest specific IgG binding.