PACEĀ®

PACEĀ® is our patented allele-specific genotyping chemistry, designed for high-throughput PCR applications. PACE master mixes offers consistent, affordable PCR performance and full compatibility with PACE, KASPā„¢ and AmplifluorĀ® assays.

Featured Products

PACE Genotyping Master Mix Bottles for Allele specific PCR

Universal PCR mix for allele-specific assays. Delivers precise fluorescence, high performance, and consistent genotyping across reaction volumes.

PACE Genotyping Master Mix

Next-generation allele-specific PCR mix with enhanced signal clarity and robust performance, even from crude DNA samples.

PACE Genotyping master mix

Detect up to four targets in one PCR reaction. Save time, reduce consumables, and maximise throughput with effortless multiplexing.

THE PACEĀ® MASTER MIX RANGE

PCR Allelic Competitive Extension

Our patented genotyping chemistry, PACE, is the latest in allele-specific chemistry. It provides consistent performance making it ideal for high-throughput genotyping applications. Its robust chemistry is especially well-suited for high-throughput PCR workflows, where reliable allele discrimination is essential at scale. PACE genotyping master mixes are designed for use with PACE Genotyping Assays and are also compatible with pre-existing KASPā„¢ and AmplifluorĀ® assays.

Unlike probe-based products such as TaqManā„¢, PACE assays only require un-labelled primer oligos to make up the PACE genotyping reaction, in combination with PACE Genotyping Master Mix. Watch our quick video explaining how PACE genotyping works.

All our master mixes are supplied at 2x concentration for convenience and contain ROX normalising dye at either high (500 nM working concentration), low (25 nM working concentration), standard ROX level (150 nM working concentration) or without ROX.

Boost Your Genotyping Workflows with PACEĀ® Multiplex!
Looking to double your data output while cutting down on DNA, consumables, and labour?

PACEĀ® Multiplex Master Mix makes it possible—no optimisation required!

  • Detect up to four targets in a single reaction
  • Combine existing assays seamlessly
  • Streamline workflows & maximize efficiency
Free PACE Assay Design Service

FREE PACEĀ® ASSAY DESIGN SERVICE

Customers can use our free PACE assay design service to design allele-specific assays for use with our PACE Genotyping Master Mixes. We have extensive knowledge and experience in assay design, especially when it comes to allele-specific PCR. We also offer an additional full- or partial in-house assay validation service.

Our in-house scientific team design assays to your target sequences and then provide you with the optimised primer designs and sequences free of charge, allowing you to order from your chosen oligo manufacturer. We are not an oligo manufacturer, so prefer to concentrate on what we’re good at and let the experts manufacture the oligos.

From experience, we highly recommend IDT for oligo / assay synthesis. We have collaborated with IDT for many years and have always found their products to be of the highest quality, and are therefore our oligo / assay manufacturer of choice.


During assay optimisation, certain SNP or Indel targets may benefit from a touchdown PCR protocol to enhance specificity and yield. Our technical team can provide guidance on when and how to apply this approach for optimal PACEĀ® performance.

To take advantage of our free PACE assay design service, you must have purchased PACE Genotyping Master Mix within the last 24 months.

SNP Genotyping Applications

PACEĀ® PCR technology is ideal for high-throughput SNP genotyping across a wide range of species and research areas.


Our allele-specific PCR chemistry enables precise discrimination of single nucleotide polymorphisms (SNPs) and small insertions or deletions, delivering robust results even from crude DNA extracts.


Whether you’re validating marker-trait associations, supporting crop and livestock breeding, or conducting population genetics research, PACE reagents simplify genotyping SNPs with accuracy, scalability, and cost-efficiency.

All Products

PACE Genotyping Master Mix Bottles for Allele specific PCR

Universal PCR mix for allele-specific assays. Delivers precise fluorescence, high performance, and consistent genotyping across reaction volumes.

PACE Genotyping Master Mix

Next-generation allele-specific PCR mix with enhanced signal clarity and robust performance, even from crude DNA samples.

PACE Genotyping master mix

Detect up to four targets in one PCR reaction. Save time, reduce consumables, and maximise throughput with effortless multiplexing.

PACE OneStep RT-PCR Master Mix in 250mL, 25mL, 2.5mL, 1mL. Bottles of Standard, Low, High and No Rox formulation.

Genotype directly from RNA. Combines reverse transcription and PCR amplification in a single, streamlined reaction.

PACE Nano Genotyping Master Mix All Sizes

High-performance, ultra-low-volume PCR mix for cost-effective, high-throughput genotyping in automated or miniaturised workflows.

CRISPR Assay

Fast, affordable PACEĀ®-based screening to detect CRISPR and gene edits with high accuracy in high-throughput applications.

genotyping assay

Custom PACEĀ® assays designed for your target sequence. Ensure reliable, accurate allele detection with full PACEĀ® compatibility.

3CR Bioscience PACE Genotyping Trial Kit

All-in-one kit to trial PACEĀ® genotyping. Includes assays, master mix, control DNA, and a detailed setup guide.

Don’t know which one to get?

Unsure which mix to choose? Email us for help choosing the right mix for your application

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MEET OUR TEAM

Steve AsquithManaging Director
Steve began his career in the Genetics Division of GlaxoSmithKline, as part of the team establishing GSK’s high-throughput core genotyping laboratory. Steve joined KBioscience when it was first founded in 2002 and was a key driver in taking the company from a small start-up to a multi-national service laboratory, quickly growing the company’s revenue to over $7.5M p.a. Following the acquisition of Kbioscience by LGC in 2011, Steve was appointed Global Director of Operations for LGC Genomics, responsible for over 100 staff in Europe and N. America, successfully elevating the genotyping products and service business. Steve held a crucial leadership role until he left in 2016. In 2017 Steve joined forces with John Holme to create 3CR Bioscience, a new company with a mission to deliver outstanding, customer-focused genotyping products with innovation and affordability at its core.
Dr. John HolmeTechnical Director

John joined KBioscience shortly after it was founded, in 2003, and became Head of Technical Development, building the company’s genotyping and DNA extraction product portfolio and service delivery until 2011 when it was acquired by LGC. Post-acquisition, John was appointed Head of Technical Group for LGC Genomics, in charge of all Research & Development and Technical Support activities for the company. In this role John continued to build on the high-quality products and services provided to the companies growing customer base.

During the 19 years John has worked in commercial R&D, he has co-invented numerous highly successful products including PACEĀ®, ProbeSure, KASPā„¢, KlearKall, KlearGene, KlearAmp and KlearTaqā„¢, creating breakthrough offerings in genotyping and extraction and generating huge revenues for the companies he has worked in. In 2017, he joined forces with Steve Asquith and started 3CR Bioscience. John is dedicated to developing outstanding, innovative genotyping products and providing the very best technical support to customers globally.

Dr. Nisha JainOperations Director

Nisha has been innovating since the start of her career at Geneform Technologies developing Iso-thermal Genotyping Technologies. Nisha joined KBioscience in 2008, as Senior R&D Scientist and key account Technical Support Scientist, developing KASP and Klearkall performance and coinventing two further versions of KASP.

Nisha has more than 15 years’ experience working in molecular biology and genotyping technologies, with extensive experience in the areas of R&D, Quality Assurance and Customer Technical Support. She has technically assisted many giants of the industry with their protocol development and troubleshooting and continues to deliver high-quality support and guidance. In 2018, Nisha joined 3CR Bioscience as Operations Director where she continues to develop PACE and ProbeSure for an increasing range of applications, and to grow 3CR Bioscience’s new product pipeline. Nisha is dedicated to developing outstanding, innovative genotyping products and providing the very best technical support to customers globally.

Nazma SaffinGeneral Manager
For 20 years Nazma Saffin has worked and gained extensive expertise within the genotyping sector. Working at Kbioscience and then LGC, she has held operational leadership posts responsible for manufacturing and laboratory services. With experience of ISO 9001 implementation, production scale up and LEAN operations, Nazma has successfully led highly profitable production departments. Joining 3CR Bioscience in 2022, Nazma is committed to delivering operational excellence.
Greig PollandAutomation and Support Manager

Greig is a hands-on automation specialist and team leader with a strong background in laboratory and industrial automation. He has spent over 25 years developing, installing, and supporting automated systems that transformed laboratory workflows. During this time, Greig worked closely with scientists and engineers to tailor automation solutions for genotyping and molecular biology, an experience that sparked his lasting passion for combining technology with practical science.

Since then, Greig has built on that foundation through leadership roles where he leads automation and support operations. He’s known for being approachable, commercially minded, and deeply committed to helping teams and customers get the best from their technology.

Whether managing a complex automation rollout or helping a customer troubleshoot in real time, Greig brings a thoughtful, collaborative approach that keeps people ,not just machines, at the centre of what he does.