Mutant T4 DNA polymerase for easy cloning and mutagenesis
The advent of high-fidelity DNA polymerases that can be used to linearize and amplify whole plasmids by PCR opened the door to greatly simplified cloning and mutagenesis protocols. Commercially available kits work well, but often have been optimized using undisclosed or proprietory components. Here we show that a mutant T4 DNA polymerase (Y320A) with attenuated 3'-exonuclease activity is uniquely suited to generate single-stranded DNA overhangs of uniform length in a more easily controllable...[Show more]
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