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Proteintech has the most antibody pairs with 3,600 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

Introducing “Able” AI – A First-of-Its-Kind Tool to Accelerate Scientific Discovery

Press release - Businesswire - ROSEMONT, IL – 02 September 2025. Smarter research starts with Able

Webinar

Accelerating Drug Discovery with New Approach Methods (NAMs)

Live Webinar on February 10th with industry leaders Satish Sankaran PhD, Jorge Urresti PhD and Christopher Hughes PhD.

Giveaway

Limited-Edition Able Hat Giveaway

Tell us how Able worked for you and request a free Able AI beanie hat. Giveaway open until January 31, 2026.

Product Focus

Phospho-specific antibodies against 170+ common PTMs

Available in a variety of conjugated formats. Save up to 15% vs leading competitor.

Podcast

Ep 6 - Is Your Body a Quantum Machine?

Dr. Akhil Jain, a leading voice in Quantum Biology and Bioelectricity, explores how quantum physics and electrical fields may represent a newly emerging central dogma in life science research.

Product

Advance your organoid research with HumanKine

Browse high-quality HumanKine growth factors, antibodies, ELISA kits, and more. Enter the organoid giveaway.

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

Press Release

Introducing “Able” AI – A First-of-Its-Kind Tool to Accelerate Scientific Discovery

Press release - Businesswire - ROSEMONT, IL – 02 September 2025. Smarter research starts with Able

Webinar

Accelerating Drug Discovery with New Approach Methods (NAMs)

Live Webinar on February 10th with industry leaders Satish Sankaran PhD, Jorge Urresti PhD and Christopher Hughes PhD.

Giveaway

Limited-Edition Able Hat Giveaway

Tell us how Able worked for you and request a free Able AI beanie hat. Giveaway open until January 31, 2026.

Product Focus

Phospho-specific antibodies against 170+ common PTMs

Available in a variety of conjugated formats. Save up to 15% vs leading competitor.

Podcast

Ep 6 - Is Your Body a Quantum Machine?

Dr. Akhil Jain, a leading voice in Quantum Biology and Bioelectricity, explores how quantum physics and electrical fields may represent a newly emerging central dogma in life science research.

Product

Advance your organoid research with HumanKine

Browse high-quality HumanKine growth factors, antibodies, ELISA kits, and more. Enter the organoid giveaway.

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

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
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