NEB will be closed Thursday, November 23, 2017 and Friday, November 24, 2017. Orders placed will process Monday, November 27, 2017 for delivery on Tuesday, November 28,2017.

FAQ: Why does FokI degrade DNA?

FokI has two domains; one that recognizes DNA and one that cleaves. The protein is unstable and as the specific activity is lost an increasing nonspecific activity results. Tween 20 stabilizes the protein and slows the increase in nonspecific activity.

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