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  • Conjugated Antibodies for FC
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  • IHC Kits
  • Magnetic Cell Separation Kits
  • Cytokines & Growth Factors
  • Neutralizing/activating Antibodies
  • Nanobody-based Reagents
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For when you need it all. We're here.

Proteintech has the most antibody pairs with 2,800 targets covered Proteintech has the most direct-conjugated antibodies for IF Proteintech has the most intracellular antibodies tested in FC The largest catalog of IP-tested reagents The largest catalog of CGMP-grade recombinant proteins And the only clone-defined polyclonal recombinant secondary
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Antibodies & Immunoassays

Antibodies & Immunoassays

Traditional and recombinant antibodies and immunoassays from RUO to cGMP grade.

Antibodies Immunoassays

Cytokines and Growth Factors

Cytokines and Growth Factors

Human cell expressed cytokines and growth factors available from RUO to cGMP grade.

RUO cGMP

Nanobody-based Reagents

Nanobody-based Reagents

High performance VHH antibodies for specialized applications.

Learn More

Genomics

Genomics

DNA-conjugated antibodies for scRNAseq.
Learn More

News

Press Release

Proteintech Unveils Next-Gen 3D Epitope Mapping

This powerful state-of-the-art solution lets you interact with epitope structures in 3D, allowing you to precisely map the antibody binding site (epitope) on a target protein.

Online Event

The Breakthrough of AI in Life Science Research

Live on June 24th, 2025. A panel of experts discuss how they are utilizing AI to streamline their scientific breakthroughs.

Award

Best Postdoc Mentor Award 2025

We believe exceptional mentorship deserves recognition. Nominate your postdoc mentor to win a $1000 research grant.

Online Event

Mastering Microtomy: Best Practices for Artifact-Free Tissue Sections

Live on July 15th. Laura Taylor MSc, Biomedical Scientist (NHS), explores best practices for microtomy for successful IHC staining.

Podcast

Ep 4 - Professor Richard Lea: The Future of Fertility

Professor Richard Lea, leading reproductive biologist and star of Channel 4’s Celebrity Save Our Sperm, explores the urgent and often overlooked crisis in male reproductive health.

Product Grants

Product Grant Recipients Announced

Round two of Proteintech's Product Grants has now come to a close. Thank you to everyone who applied and congratulations to our recipients.

Online Learning

New course: Introduction to R for Life Scientists

Take away the stress of learning to code with this beginner friendly R coding course. Learn how to use R in Google Colab to perform accurate immunoassay data analysis.

Press Release

Proteintech launches New Multi-rAb Recombinant Secondary Antibodies

This New Generation of Secondary Antibodies has superior sensitivity, high reproducibility.

Product

Proteintech launches worlds first GMP grade R-Spondin 1

Optimised for improved and consistent organoid differentiations.

Press Release

Proteintech Genomics launches new MultiPro Immune Profiling Cocktail

The first commercially available solution for the detection of intracellular proteins for single-cell RNAseq experiments

Online Event

Optimizing IP of GFP-tagged Proteins in Plant Cell Extracts

Live on August 7th - Dr. Mayank Sharma, Scientist at ETH Zurich, will present his optimized protocol for IP of GFP-tagged proteins from crude plant cell extracts

Press Release

Proteintech Unveils Next-Gen 3D Epitope Mapping

This powerful state-of-the-art solution lets you interact with epitope structures in 3D, allowing you to precisely map the antibody binding site (epitope) on a target protein.

Online Event

The Breakthrough of AI in Life Science Research

Live on June 24th, 2025. A panel of experts discuss how they are utilizing AI to streamline their scientific breakthroughs.

Award

Best Postdoc Mentor Award 2025

We believe exceptional mentorship deserves recognition. Nominate your postdoc mentor to win a $1000 research grant.

Online Event

Mastering Microtomy: Best Practices for Artifact-Free Tissue Sections

Live on July 15th. Laura Taylor MSc, Biomedical Scientist (NHS), explores best practices for microtomy for successful IHC staining.

Podcast

Ep 4 - Professor Richard Lea: The Future of Fertility

Professor Richard Lea, leading reproductive biologist and star of Channel 4’s Celebrity Save Our Sperm, explores the urgent and often overlooked crisis in male reproductive health.

Product Grants

Product Grant Recipients Announced

Round two of Proteintech's Product Grants has now come to a close. Thank you to everyone who applied and congratulations to our recipients.

Online Learning

New course: Introduction to R for Life Scientists

Take away the stress of learning to code with this beginner friendly R coding course. Learn how to use R in Google Colab to perform accurate immunoassay data analysis.

Press Release

Proteintech launches New Multi-rAb Recombinant Secondary Antibodies

This New Generation of Secondary Antibodies has superior sensitivity, high reproducibility.

Product

Proteintech launches worlds first GMP grade R-Spondin 1

Optimised for improved and consistent organoid differentiations.

Press Release

Proteintech Genomics launches new MultiPro Immune Profiling Cocktail

The first commercially available solution for the detection of intracellular proteins for single-cell RNAseq experiments

Online Event

Optimizing IP of GFP-tagged Proteins in Plant Cell Extracts

Live on August 7th - Dr. Mayank Sharma, Scientist at ETH Zurich, will present his optimized protocol for IP of GFP-tagged proteins from crude plant cell extracts

Featured Products

8,041 Publications

GAPDH Monoclonal Antibody

Reactivity: Human, Mouse, Rat, Yeast, Plant, Zebrafish, Bovine and more (9)
Applications: WB, IP, IHC, IF, FC, CoIP, ChIP, ELISA
KD/KO Validated 1,367 Publications

TDP-43 Polyclonal Antibody

Reactivity: Human, Mouse, Rat, Zebrafish, Hamster, Pig and more (6)
Applications: WB, RIP, IP, IHC, IF, IEM, FC, CoIP, chIP, ELISA
3,508 Publications

ChromoTek GFP-Trap® Agarose

Specificity: GFP, eGFP, CFP, YFP, BFP
Applications: IP, CoIP, ChIP, RIP
146 Publications

HumanKine® recombinant human TGF beta 1 protein

HEK293 expressed.Animal-component free.

Purity: >95%
Activity: Typically ≤ 0.5 ng/mL EC50
4,786 Publications

GAPDH Polyclonal antibody

Reactivity: Human, Mouse, Rat, Pig, Arabidopsis, Corn, Cabbage, Rice and more (9)
Applications: WB, RIP, IP, IHC, IF, FC, CoIP, ELISA
2,833 Publications

Beta Actin Monoclonal antibody

Reactivity: Human, Mouse, Rat, Pig, Plant, Zebrafish And More (10)
Applications: WB, IP, IHC, IF, FC, CoIP, ELISA
KD/KO Validated 2,484 Publications

BAX Polyclonal antibody

Reactivity: Human, Mouse, Rat, Chicken, Goat, Hamster, Pig, Rabbit and more (3)
Applications: WB, IP, IHC, FC, CoIP, chIP, ELISA
KD/KO Validated 1,767 Publications

Caspase 3/p17/p19 Polyclonal antibody

Reactivity: Human, Mouse, Rat, Bovine, Chicken, Duck, Goat, Hamster and more (3)
Applications: WB, RIP, IP, IHC, IF, FC, ELISA
KD/KO Validated 1,442 Publications

E-cadherin Polyclonal antibody

Reactivity: Human, Mouse, Rat, Bovine, Pig, Zebrafish
Applications: WB. IF, WB, IP, IHC, IF, FC, CoIP, ELISA
KD/KO Validated 1,016 Publications

NF-κB p65 Polyclonal antibody

Reactivity: Human, Mouse, Rat, Bovine, Pig, Canine, Fish and more (4)
Applications: WB, IP, IHC, IF, FC, chIP, ELISA
KD/KO Validated 1,203 Publications

Vimentin Polyclonal antibody

Reactivity: Human, Mouse, Rat, Bovine, Pig, Deer
Applications: WB, IP, IHC, IF, FC, CoIP, ELISA
KD/KO Validated 1,137 Publications

P62,SQSTM1 Polyclonal antibody

Reactivity: Human, Bovine, Chicken, Goat, Hamster, Pig, Rabbit and more (3)
Applications: WB, IP, IHC, IF, FC, CoIP, ELISA
KD/KO Validated 916 Publications

MMP9 (N-terminal) Polyclonal antibody

Reactivity: Human, Mouse, Rat, Pig, Rabbit, Hamster, Astragalus Membranaceus
Applications: WB, IP, IHC, IF, FC, CoIP, ELISA
1,034 Publications

Alpha Tubulin Polyclonal antibody

Reactivity: Human, Mouse, Rat, Bovine, Chicken, Goat, Hamster, Monkey, P. Lividus, Pig
Applications: WB, IP, IHC, IF, FC, CoIP, ELISA
KD/KO Validated 631 Publications

ARL13B Polyclonal antibody

Reactivity: Human, Mouse, Rat, Canine, Chicken, Pig, Sheep, Xenopus, Zebrafish
Applications: WB, IP, IHC, IF, ELISA
812 Publications

Lamin B1 Polyclonal antibody

Shows reactivity with Human, Mouse, Rat and Pig.

Reactivity: Human, Mouse, Rat, Pig, Canine, Chicken, Hamster
Applications: WB, IP, IHC, IF, FC, ChIP, ELISA
KD/KO Validated 715 Publications

P53 Polyclonal antibody

Reactivity: Human, Rat, Mouse, Goat, Pig and more (3)
Applications: WB, IP, IF, CoIP, chIP, ELISA