MW: 34,755 Da. Purity >95% as determined by SDS-PAGE. Description: SERPINA1 extracted from human serum and having a 52kDa molecular weight is purified by proprietary chromatographic techniques.Introduction: SERPINA1 is secreted and is a serine protease inhibitor which its targets include elastase, plasmin, collagenase, thrombin, leucocytic proteases, trypsin, chymotrypsin, and plasminogen activator. Defects in SERPINA1 gene can cause emphysema or liver disease. Antral SERPI