Elastase is a native protein purified from human neutrophils with ≥95% (SDS-PAGE), supplied lyophilized in a 1 mg pack. Molecular weight: 29.5 kDa. Gene/protein symbol: ELANE. Elastase, Human Neutrophil: 1 MG; Salt-Free lyophilized solid.; MW 29,500; EC = 0.985; Activity: 20-22 units per mg protein; Purity: > =95% by SDS-PAGE. Molecular Biology Reagent Common research applications include protease activity, enzyme characterization and biochemical studies.