NEBNext® High-Fidelity 2X PCR Master Mix is the original non-hot start NEBNext formulation of Q5® High-Fidelity DNA Polymerase. This formulation is also included as a component in the original NEBNext standard workflow library prep kits for Illumina, and in NEBNext library prep kits for Ion Torrent.
However, the NEBNext Ultra II Q5 Master Mix (NEB #M0544) is now available, and this more recent formulation is a hot start and also further improves the uniformity of amplification of libraries, including superior performance with GC-rich regions. The NEBNext Ultra II Q5 Master Mix is also included as a component in all NEBNext Ultra II kits, for DNA and RNA library preparation.
NEBNext High-Fidelity 2X PCR Master Mix is the original non-hot start NEBNext formulation of Q5 DNA Polymerase. This formulation is also included as a component in the original NEBNext standard workflow library prep kits for Illumina, and in NEBNext library prep kits for Ion Torrent.
The NEBNext Ultra II Q5 Master Mix (NEB #M0544) is now available, which further improves the uniformity of amplification of libraries, including superior performance with GC-rich regions.
The polymerase component of both master mixes, Q5 High-Fidelity DNA Polymerase, is a novel thermostable DNA polymerase that possesses 3´→5´ exonuclease activity, and is fused to a processivity-enhancing Sso7d domain. Q5 also has the highest fidelity available (> 280-fold higher than that of Taq DNA Polymerase), resulting in ultra-low error rates.
NEBNext High-Fidelity 2X PCR Master Mix contains dNTPs, Mg++ and a proprietary buffer, and requires only the addition of primers and DNA template for robust amplification.
An E. coli strain that carries the Q5 High-Fidelity DNA Polymerase gene.
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To ensure optimal performance, the master mix should be thawed and resuspended prior to use. Stability testing using up to 20 freeze/thaw cycles has shown no negative effect on master mix performance. The NEBNext High-Fidelity 2X PCR Master Mix may be liquid at -20°C.
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Connelly, C.M., Porter, L.R. and TerMaat, J.R. (2020) PCR amplification of a triple-repeat genetic target directly from whole blood in 15 minutes as a proof-of-principle PCR study for direct sample analysis for a clinically relevant target BMC Med Genet; 15, 130. PubMedID: 25495904, DOI: 10.1186/s12881-014-0130-5
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This product is licensed for research and commercial use from Bio-Rad Laboratories, Inc., under U.S. Pat. Nos. 6,627,424, 7,541,170, 7,670,808, 7,666,645, and corresponding patents in other countries. No rights are granted for use of the product for Digital PCR or real-time PCR applications, with the exception of quantification in Next Generation Sequencing workflows.
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