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Proteinase K (Lyophilizate, Ultra Pure) ≥ 34 Units/Mg Protein, Find Details and Price about High Quality Proteinase K Purification Enzyme Proteinase K Powder from Proteinase K (Lyophilizate, Ultra Pure) ≥ 34 Units/Mg Protein - Magen Biotechnology (Guangzhou) Co., Ltd.