Click to expand Tap to zoom Alkaline Protease (APA) by Promega Save Liquid error (product-badge line 32): Computation results in 'NaN' (Not a Number)% € 0.00 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Alkaline Protease (APA) is a component of the ReliaPrep Large Volume HT gDNA Isolation System (Cat.# A2751).