From our bench to your bench.
Proteintech products have been
cited over 250,000 times in
journals worldwide.
Antibodies against 13,000 different proteins in stock for next day delivery. All extensively validated in-house, including the use of siRNA KO/KD to demonstrate specificity. 20μL samples available.
Produced in HEK293 cells using animal-free components with high bioactivity, stability, and lot-to-lot consistency. No expression tags and xeno-free. GMP-compliant and ISO13485 certified.
Immunoassay kits including pre-coated ELISA kits with superior performance and reliability, IHCeasy kits, and more.
ChromoTek Nanobody-based reagents are thoroughly validated, recombinantly expressed, and ready to use. Ideal for immunoprecipitation, immunofluorescence, live-cell imaging, biosensor assays, and protein purification.
Multi-Pro antibodies unlock the quantification of both cell surface and intracellular proteins during single-cell RNAseq experiments. Made for 10x Genomics Flex with feature barcoding and sample multiplexing.
FlexAble is a novel antibody labeling kit that uses an affinity linker to conjugate fluorochromes, enzymes, and molecules in any buffer condition. Suitable for single or multiplex staining.
Proteintech offers products against 13,000+ different human proteins and our portfolio currently covers two-thirds of the human proteome. We manufacture and validate our antibodies in-house, creating unparalleled quality and uninterrupted supply.
Proteintech offers a wide range of authentic human growth factors and cytokines to facilitate cell culture, stem cell differentiation, wound healing research, and cell therapy manufacturing.
Proteintech’s range of ChromoTek nanobody-based reagents offers premium research tools that provide a higher level of performance compared to conventional IgG antibodies in applications such as immunoprecipitation, immunofluorescence, live-cell imaging, biosensor assays, and protein purification.
The largest supplier of cGMP recombinant proteins, in stock & ready to ship.
High performance VHH antibodies for specialized applications.
Rabbit Polyclonal Antibody
Rabbit Polyclonal Antibody
Rabbit Polyclonal Antibody
CoraLite™488-Annexin V and PI Apoptosis Detection Kit provides a quick and easy method to detect apoptosis by marking early apoptotic cells (green) and late apoptotic cells or necrotic cells (red).
Rabbit Polyclonal Antibody
Mouse Monoclonal Antibody
Mouse Monoclonal Antibody
Rabbit Polyclonal Antibody
Rabbit Polyclonal Antibody
Phalloidin is a toxin isolated from mushrooms that binds F-Actin in the cytoskeleton.
Mouse Monoclonal Antibody
HumanKine™ cytokines and growth factors are human cell expressed proteins in HEK293 cells
Mouse Monoclonal Antibody
Rabbit Polyclonal Antibody
Goat anti-Rabbit Affinipure Secondary Antibody
Founded in 2001 by scientists, Proteintech is a leading manufacturer of antibodies, proteins, nanobodies, and immunoassays. Proteintech has the largest proprietary portfolio of self-manufactured antibodies covering two-thirds of the human proteome. Proteintech products have been cited over 250,000 times in journals worldwide and enable scientists to publish reliable and reproducible results.
