Recombinant Human Parathyroid HormoneC181H290N55O51S2) is produced in E. coli as a single, non-glycosylated, polypeptide chain containing 34 amino acids and having a molecular mass of 4117.8 Dalton and is purified by proprietary chromatographic technique
The protein (1 mg/ml) was lyophilized after extensive dialysis against 1.15mg sodium citrate, 7.31mg sodium chloride, 0.21 mg citric acid, 0.1117mg EDTA-Na2, 0.2mg Tween 80 and 50mg mannitol. Purity >98% as determined by RP-HPLC and SDS-PAGE.