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: Will the 5'→3' flap endonuclease activity of Taq DNA Polymerase degrade primers?

No. The exonuclease will only degrade double stranded DNA that it encounters while extending a DNA fragment. It will degrade a secondary primer if bound to the same strand (e.g. a mutagenesis primer).
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