Greater than 97.0% as determined by: (a) Analysis by HPLC.(b) Analysis by SDS-PAGE.
Storage:
-20 ℃
Source:
Escherichia Coli.
Production:
SPA Recombinant Long Form produced in E.Coli is a single non-glycosylated polypeptide chain. SPA Long Form is comprised of 5 IgG-binding domains E-D-A-B-C aligned in series containing 422 amino acids (including a.a 273-400 from acc# P99134) and having a molecular mass of 46.6kDa containing little or no carbohydrate.