High-Fidelity Master Mix

<h2 dir="ltr">What Is a High-Fidelity PCR Master Mix?</h2>
 A high-fidelity PCR master mix is a 2x concentrated, pre-formulated solution containing a proofreading DNA polymerase (Phusion, Q5, KOD, or Pfu-equivalent), dNTPs, MgCl2, and reaction buffer &mdash; requiring only the addition of template and primers to set up a reaction. The proofreading polymerase's 3' to 5' exonuclease activity corrects misincorporated nucleotides during synthesis, reducing the error rate roughly 50-100-fold compared to standard Taq master mixes. Choose a high-fidelity master mix whenever the amplicon will be cloned, mutagenised, or sequenced &mdash; not for routine genotyping, where standard Taq is sufficient and lower cost.
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<h2 dir="ltr">What you will find:</h2>
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<ul>
<li data-section-id="uyjmeg" data-start="418" data-end="539">Streamlined post-amplification analysis with high-fidelity 2X red mix formulations with direct gel-loading capability</li>
<li data-section-id="1rh0fvx" data-start="540" data-end="630">Pre-optimized high-fidelity 2X PCR master mixes containing proofreading DNA polymerase</li>
<li data-section-id="6drhog" data-start="631" data-end="735">Reduced non-specific amplification and primer-dimer formation compared to standard Taq-based systems</li>
<li data-section-id="1pa7u4r" data-start="736" data-end="826">High-fidelity amplification suitable for cloning workflows requiring sequence accuracy</li>
<li data-section-id="1n3ow6j" data-start="827" data-end="925">2X master mix formats designed for reproducible amplification across a range of template types</li>
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<h2 dir="ltr"> How to Choose a High-Fidelity Master Mix</h2>
 Downstream Application Cloning into expression vectors, site-directed mutagenesis, and sequencing-bound amplicons all benefit from the reduced error rate of a high-fidelity master mix. Routine genotyping or colony screening does not require this level of accuracy and is typically served by standard Taq master mixes at a lower cost. Template Difficulty (GC Content, Length) Some high-fidelity master mix formulations are specifically optimised for GC-rich templates or long amplicons (&gt;5 kb), where standard high-fidelity formulations may show reduced yield. Check product-specific template compatibility notes before ordering for difficult targets. Extension Time and Cycling Protocol High-fidelity polymerases often have different optimal extension times per kilobase compared to standard Taq &mdash; some extend faster, shortening overall cycling time for long amplicons. Follow the manufacturer's recommended cycling parameters rather than reusing a standard Taq protocol. Cloning Method Compatibility Some high-fidelity master mixes produce blunt-ended products suited to Gibson Assembly or blunt cloning strategies; others may need additional A-tailing for TA cloning. Confirm compatibility with your intended downstream cloning method before selecting a product. Format Convenience vs. Component Flexibility The 2x master mix format minimises pipetting steps and improves reproducibility for routine high-fidelity workflows. Researchers needing to titrate individual components (e.g., additional MgCl2 for a specific template) may prefer the individual high-fidelity enzyme plus separate buffer instead. 
<h2 dir="ltr"> Specifications Context</h2>
 A 2x high-fidelity master mix is set up identically to a standard 2x Taq master mix &mdash; combined with template and primers at the manufacturer-specified ratio to reach 1x working concentration &mdash; but the included proofreading polymerase detects and removes misincorporated bases immediately after insertion, reducing the per-cycle error rate to approximately 10⁻⁶ per nucleotide. This level of accuracy matters specifically because any error introduced during amplification is propagated into the final cloned construct or sequencing read. High-fidelity master mixes are typically stored at &minus;20 &deg;C; lot-specific CoAs documenting activity and quality control are available on request. 
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<a href="https://mbpinc.net/contact-us">Contact the expert team</a> at MBP today and get pre-optimized High-Fidelity Master Mix solutions for your lab.

User Manual

Product Literature

MSDS

Azura ExtremeTaq HiFi Mix

AZ-1900 by Azura Genomics is a 2x hot-start high-fidelity PCR master mix delivering up to 10x greater fidelity than standard Taq, amplicons up to 10 kb, and reliable performance on GC-rich, AT-rich, and low-copy templates without buffer adjustment. Available in 200 to 8000 reaction formats.

Manufacturer

ExtremeTaq HiFi Mix 200 Reactions

ExtremeTaq HiFi Mix 1000 Reactions

ExtremeTaq HiFi Mix 2000 Reactions

ExtremeTaq HiFi Red Mix - Product Sheet

ExtremeTaq™ HiFi Red Mix

AZ-1910 ExtremeTaq™ HiFi Red Mix by Azura Genomics is a 2x hot-start PCR master mix with up to 10x fidelity vs Taq, antibody-mediated hot-start, proofreading 3'→5' exonuclease, direct-load red dye, 10 kb amplicon capacity, available in 200–8000 reaction pack sizes.

ExtremeTaq HiFi Red Mix 200 Reactions

ExtremeTaq HiFi Red Mix 1000 Reactions

ExtremeTaq HiFi Red Mix 2000 Reactions

TruFi™ II Ultra 2x PCR Mix

AZ-1920 by Azura Genomics — TruFi II Ultra 2x PCR Mix; &gt;75× fidelity vs Taq; 10 sec/kb extension; &gt;15 kb long PCR; 2× with buffer, MgCl₂, and dNTPs included; 200–8000 reaction formats.

AzuraProof 2x PCR Mix 100 Reactions

AzuraProof 2x PCR Mix 500 Reactions

AzuraProof 2x PCR Mix 1000 Reactions

TruFi™ II Ultra 2x PCR Red Mix

AZ-1930 AzuraProof™ HiFi PCR Red Mix by Azura Genomics delivers >75x fidelity vs Taq, 3'→5' proofreading, 10 sec/kb extension rate, and long-range PCR capacity beyond 15 kb — premixed with dNTPs, buffer, and red loading dye, in 200–8000 reaction pack sizes.