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  • Primary Antibodies
  • Conjugated Antibodies for IF
  • Conjugated Antibodies for FC
  • Secondary Antibodies
  • ELISA Kits
  • IHC Kits
  • Magnetic Cell Separation Kits
  • Cytokines & Growth Factors
  • Neutralizing/activating Antibodies
  • Nanobody-based Reagents
  • Accessory Products and Kits
  • Fusion Proteins
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Antibodies & Immunoassays

Antibodies and immunoassay kits against 13,000 different human proteins.

Antibodies
Immunoassays

Cytokines & Growth Factors

Human cell expressed cytokines and growth factors that are free from animal components.

Cytokines and Growth Factors

Nanobody-based Reagents

High performance VHH antibodies for specialized applications.

Nanobody-based Reagents

News

Workshop

IF/IHC Image Analysis Workshop

June 23 2022 – Join Dr Lukasz Chrobok for IF and IHC image analysis tips. Register early to guarantee your place.

Promotions

25% off Primary Conjugates

Throughout May, all Proteintech primary conjugated antibodies are 25% off with code 25OFFCONJ

Promotions

Treat your lab colleagues to free food & drink!

Enter the weekly prize draw (Tuesday – Sunday) from April 26 to May 29 for your chance to win free food & drink for your next lab meeting.

Meet the expert

The epigenetic regulation of breast cancer – Register for the online talk

Join our free interactive meeting with expert, Dr. Chan, as he explores the epigenetic regulation of breast cancer.

News

Proteintech & Chromotek win Citeab Awards

Proteintech wins 'Researchers Choice' & ChromoTek wins 'Environmental Initiative of the Year'

New Product

Expanded Catalog of Secondary Antibodies

Choose from more than 80 secondary antibodies. Get 25% off until April 30th.

Company News

FENS Travel Grant

Find out if you are one of our 2022 FENS travel grant winners!

Company News

$1000 AACR Travel Grant – Winners announced!

Find out if you are one of the 2022 AACR travel grant winners.

New Product

IHCeasy Ready-to-use IHC Kits

The most complete IHC workflow kits on the market. Primary antibody included.

New Product

Magnetic Cell Separation Systems

Quick, easy, column-free cell isolations resulting in high purity populations.

Publications

130,000 success stories and counting

Celebrating the success of scientists citing Proteintech antibodies.

Company News

Proteintech triples its size of headquarters

Proteintech triples its size of headquarters to expand operations and meet demand.

Workshop

IF/IHC Image Analysis Workshop

June 23 2022 – Join Dr Lukasz Chrobok for IF and IHC image analysis tips. Register early to guarantee your place.

Promotions

25% off Primary Conjugates

Throughout May, all Proteintech primary conjugated antibodies are 25% off with code 25OFFCONJ

Promotions

Treat your lab colleagues to free food & drink!

Enter the weekly prize draw (Tuesday – Sunday) from April 26 to May 29 for your chance to win free food & drink for your next lab meeting.

Meet the expert

The epigenetic regulation of breast cancer – Register for the online talk

Join our free interactive meeting with expert, Dr. Chan, as he explores the epigenetic regulation of breast cancer.

News

Proteintech & Chromotek win Citeab Awards

Proteintech wins 'Researchers Choice' & ChromoTek wins 'Environmental Initiative of the Year'

New Product

Expanded Catalog of Secondary Antibodies

Choose from more than 80 secondary antibodies. Get 25% off until April 30th.

Company News

FENS Travel Grant

Find out if you are one of our 2022 FENS travel grant winners!

Company News

$1000 AACR Travel Grant – Winners announced!

Find out if you are one of the 2022 AACR travel grant winners.

New Product

IHCeasy Ready-to-use IHC Kits

The most complete IHC workflow kits on the market. Primary antibody included.

New Product

Magnetic Cell Separation Systems

Quick, easy, column-free cell isolations resulting in high purity populations.

Publications

130,000 success stories and counting

Celebrating the success of scientists citing Proteintech antibodies.

Company News

Proteintech triples its size of headquarters

Proteintech triples its size of headquarters to expand operations and meet demand.

Company News

Proteintech Collaboration With Active Motif

Proteintech Expands Collaboration With Epigenetics Company Active Motif.

Featured Products

5,032 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 1,218 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
2,992 Publications

ChromoTek GFP-Trap® Agarose

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

HumanKine® recombinant human TGF beta 1 protein

HEK293 expressed.Animal-component free.

Purity: >95%
Activity: Typically ≤ 0.5 ng/mL EC50
2,913 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
2,497 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 1,638 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 1,155 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 900 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 678 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 733 Publications

Vimentin Polyclonal antibody

Reactivity: Human, Mouse, Rat, Bovine, Pig, Deer
Applications: WB, IP, IHC, IF, FC, CoIP, ELISA
KD/KO Validated 718 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 633 Publications

MMP9 (N-terminal) Polyclonal antibody

Reactivity: Human, Mouse, Rat, Pig, Rabbit, Hamster, Astragalus Membranaceus
Applications: WB, IP, IHC, IF, FC, CoIP, ELISA
626 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 469 Publications

ARL13B Polyclonal antibody

Reactivity: Human, Mouse, Rat, Canine, Chicken, Pig, Sheep, Xenopus, Zebrafish
Applications: WB, IP, IHC, IF, ELISA
519 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 518 Publications

P53 Polyclonal antibody

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