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Pepmix Peptides
Peptide Synthesis Scales
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We are the Peptide Experts!

Tailored Peptide Synthesis for Every Application

Tailored Synthesis

Custom Peptide Synthesis


Select your peptide format (pool, library, microarray...), peptide purity (from crude up to >95%) and optional modifications (phosphorylation, biotin, dyes and labeled, cyclization, conjugation, stable-isotope labeling, etc.).


Tailored Synthesis

Scalable Peptide Solutions


Our product range includes micro-scale synthesis (10-50 nmol), intermediate peptide synthesis (1-100 mg), and large-scale peptide synthesis (>1 g).


Tailored Synthesis

Years of Experience


Over the last 20 years, we have developed a unique and very broad expertise in peptide manufacturing and have pioneered patented technologies in the field of peptide libraries, pools and microarrays as well as micro-scale synthesis.


Our Custom Peptide Synthesis Services




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JPT - Your Trusted Partner in Advanced Peptide Solutions
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Our Most Popular Products & Services

JPT Custom peptides
JPT Peptide pool
JPT Catalog peptides
JPT Peptide Libraries
JPT Peptide Arrays
JPT Assay Services


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Our Quality Management

Since 2004, JPT has maintained an active quality management system that is reviewed, audited, and certified annually by an independent certification body (TÜV Rheinland) to ISO 9001:2015 standards.



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Research Fields

Cell Therapy & Vaccines

Cell Therapy & Vaccines

JPT offers a large portfolio of peptide products and services supporting all development phases of new cell therapies and vaccines. These products range from discovery tools for epitope and target identification, to various peptide formats for immune monitoring and clinical grade peptides to support clinical vaccination and cell therapy trials. 
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Immunology

Immunology

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Neo-Epitope Discovery & Therapy

Neo-Epitope Discovery & Therapy

Neo-epitopes are important targets for individualized cancer immunotherapy. JPT’s high-throughput peptide techniques enable access to customized peptide products for neo-epitope prioritization and validation, individualized therapy development and immune monitoring.
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Proteomics

Proteomics

Proteomics is the study of a cell's protein inventory at different times by protein identification and quantification. The application of mass spectrometry and more specifically LC-MS/MS has tremendously facilitated this process. JPT developed proprietary approaches for the provision of quantified custom peptides and ready-to-use products enabling protein biomarker identification and quantitation.
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COVID-19

COVID-19

JPT was the first company responding to the Covid-19 pandemic with the launch of a broad SARS CoV-2 genome spanning portfolio of peptide tools. The ready to use and custom peptide tools include antigen spanning PepMixTM peptide pools and PepStarTM peptide microarrays of SARS-CoV-2 wild type and mutated antigen sequences as well as antigens from other relevant corona viruses. 
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Featured News

Discover JPT's NEW Affinity Tag Peptides!

We are expanding our range of peptide categories and are pleased to introduce a new product line to our peptide catalog: Peptide Affinity Tags...   


June 2025

TCR-T Research with PepMix™ Peptide Pools for Key Cancer Targets!

A recent comprehensive review (Zhang et al., 2023) highlights the 16 major cancer targets currently pursued in TCR-T clinical trials. JPT is proud to support researchers in this exciting field by offering PepMix™ Peptide Pools for 15 of these 16 critical targets — and a partial PepMix™.   

May 2025

20% OFF of our All Trial-Grade Control Pools!

Limited Time Offer: Save on all 90% pure PepMix™ Control Pools! This catalog covers known peptide epitopes belonging to many common infectious pathogens across different biogeographical ancestries, facilitating the interpretation of peptide-based T cell stimulation assays.    

May 2025


Testimonial

Dr. Ann Leen, Baylor College of Medicine (Houston, TX, USA)

Dr. Ann Leen, Baylor College of Medicine (Houston, TX, USA)

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Christopher M. Colangelo, Ph.D, Yale University, USA

Christopher M. Colangelo, Ph.D, Yale University, USA

"As Director of the Protein Profiling at Yale Keck Biotechnology Resource Facility, I coordinated a collaboration between the Association of Biomolecular Resource Facilities (ABRF) standard proteomic research group (sPRG) and JPT Peptide Technologies to develop the ABRF cross-species SpikeMix™ Peptide Pool. The joint development turned out to be an extraordinary effective endeavor and the resulting product was qualified in more than 52 proteomics labs around the globe. I was impressed by JPT's scientific and technological capabilities as well as their enthusiasm to drive the project forward."
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Dr Laura J Pallett, Infection and Immunity University College (London, UK)

Dr Laura J Pallett, Infection and Immunity University College (London, UK)

"To establish a novel role for myeloid derived suppressor cells (Pallett et al, Nat. Med. 2015) in chronic viral infection, we utilised the PepMix CEF Pool (extended) as well as a custom synthesized PepMix spanning the core region of HBV genotype D . Whereas, the CEF peptide pool consists of 32 peptides, each corresponding to a defined HLA class I-restricted T-cell epitope from Cytomegalo, Epstein-Barr, and Influenza virus, the latter custom PepMix included 15meric peptides overlapping by 10 amino acids. Specifically this composition enabled us to monitor both the antiviral CD8+ and CD4+ T cell responses in chronic HBV infection and the non-antigen specific T cells that are known to mediate immunopathology in the liver. Our entire experience with JPT, from ordering/delivery to use in the lab was excellent. Not only were the reagents able to perform reliably and consistently in vitro from batch to batch, the customer and technical support provided was continually available and efficient when needed. JPT will remain our "go-to" company for purchasing peptides."

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