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Antibodies

Antibodies

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.

cGMP Cytokines & Growth Factors

cGMP Cytokines & Growth Factors

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.

Immunoassays

Immunoassays

Immunoassay kits including pre-coated ELISA kits with superior performance and reliability, IHCeasy kits, and more.

Nanobody-based Reagents

Nanobody-Based Reagents

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.

Genomics

Genomics

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 Antibody Labeling Kits

FlexAble Antibody Labeling Kits

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.

Related Resources

PDF: Antibodies & Immunoassays

Antibodies & Immunoassays

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.

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PDF: HumanKine Cytokines and Growth Factors

HumanKine Cytokines & Growth Factors

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.

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PDF:Chromotek Nanobody based Reagents

Chromotek Nanobody-Based Reagents

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.

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Featured Products

Humankine cGMP Cytokines & Growth Factors

Humankine cGMP Cytokines & Growth Factors

The largest supplier of cGMP recombinant proteins, in stock & ready to ship.

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ChromoTek Nanobody-Based Reagents

ChromoTek Nanobody-Based Reagents

High performance VHH antibodies for specialized applications.

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All Proteintech Products

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1 – 15of34,616results
1

Proteintech CoraLite™488-Phalloidin (green)

Phalloidin is a toxin isolated from mushrooms that binds F-Actin in the cytoskeleton.

3

TFEB Rabbit anti-Human, Mouse, Rat, Polyclonal, Proteintech

Rabbit Polyclonal Antibody

Content And Storage-20°C
Target SpeciesHuman,Mouse,Rat
Host SpeciesRabbit
ConjugateUnconjugated
ApplicationsImmunocytochemistry,Immunofluorescence,Immunohistochemistry (Paraffin),Immunoprecipitation,Western Blot
FormLiquid
IsotypeIgG
Gene Accession No.P19484, Q9R210
Concentration0.35 mg/mL
AntigenTFEB
Gene SymbolsTfeb
Regulatory StatusRUO
Purification MethodAntigen Affinity Chromatography
Gene AliasAlphaTFEB, bHLHe35, TCFEB, TFEB, transcription factor EB
GeneTFEB
Product TypeAntibody
Gene ID (Entrez)21425, 316214, 7942
FormulationPBS with 50% glycerol and 0.02% sodium azide; pH 7.3
ImmunogenTFEB Fusion Protein Ag4194
ClassificationPolyclonal
Primary or SecondaryPrimary
6

Proteintech CoraLite™488-Annexin V and PI Apoptosis Kit

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).

7

Cd31 Rabbit anti-Mouse, Unconjugated, Polyclonal, Proteintech

Rabbit Polyclonal Antibody

AntigenCd31
Target SpeciesMouse,Human
Host SpeciesRabbit
ConjugateUnconjugated
ApplicationsWestern Blot,Immunohistochemistry,Immunofluorescence
Gene ID (Entrez)18613
ClassificationPolyclonal
IsotypeIgG
Primary or SecondaryPrimary
Concentration267 μg/mL
8

CD71 Rat, anti-Mouse, Clone: RI7217, Proteintech

Rat Monoclonal Antibody

AntigenCD71
Gene Symbols2610028K12Rik, AI195355, AI426448, AU015758, CD71, E430033M20Rik, Mtvr 1, Mtvr1, p90, TFR, TFR1, Tfrc, transferrin receptor, Trfr
Content And StorageStore at 2°C to 8°C. Stable for one year after shipment.
Target SpeciesMouse
Host SpeciesRat
ApplicationsFlow Cytometry
FormLiquid
Gene ID (Entrez)22042
IsotypeIgG2a κ
Primary or SecondaryPrimary
Concentration0.5 mg/ml
CloneRI7217
9

Proteintech™ Human MMP-9 ELISA Kit

Solid phase sandwich ELISA used to detect and quantify protein levels of endogenous MMP9

10

TDP-43 Rabbit anti-Human, Mouse, Rat, Zebrafish, Polyclonal, Proteintech

Rabbit Polyclonal Antibody

Content And Storage-20°C
Target SpeciesRat,Zebrafish,Mouse,Human
Host SpeciesRabbit
ConjugateUnconjugated
ApplicationsImmunocytochemistry,Immunohistochemistry (Paraffin),Immunofluorescence,Immunohistochemistry,Flow Cytometry
FormLiquid
IsotypeIgG
Gene Accession No.Q13148, Q921F2
Concentration0.31 mg/mL
AntigenTDP-43
Gene Symbolstardbp
Regulatory StatusRUO
Purification MethodAntigen Affinity Chromatography
Gene AliasALS10, TAR DNA binding protein, TAR DNA binding protein 43, TARDBP, TDP 43, TDP43
GeneTARDBP
Product TypeAntibody
Gene ID (Entrez)230908, 23435, 298648, 325052
FormulationPBS with 50% glycerol and 0.1% sodium azide; pH 7.3
ImmunogenTDP-43 Fusion Protein Ag1231
ClassificationPolyclonal
Primary or SecondaryPrimary
11

Vinculin Rabbit anti-Human, Mouse, Polyclonal, Proteintech

Rabbit Polyclonal Antibody

Content And Storage-20°C
Target SpeciesHuman,Mouse
Host SpeciesRabbit
ConjugateUnconjugated
ApplicationsImmunocytochemistry,Immunofluorescence,Immunohistochemistry (Paraffin),Western Blot
FormLiquid
IsotypeIgG
Gene Accession No.P18206, Q64727
Concentration0.4 mg/mL
AntigenVinculin
Gene SymbolsVCL
Regulatory StatusRUO
Purification MethodAntigen Affinity Chromatography
Gene AliasCMD1W, Metavinculin, MVCL, VCL, Vinculin
GeneVCL
Product TypeAntibody
Gene ID (Entrez)22330, 7414
FormulationPBS with 50% glycerol and 0.1% sodium azide; pH 7.3
ImmunogenVinculin Fusion Protein Ag24942
ClassificationPolyclonal
Primary or SecondaryPrimary
12

C5aR Rabbit anti-Human, Mouse, Rat, Polyclonal, Proteintech

Rabbit Polyclonal Antibody

Content And Storage-20°C
Target SpeciesHuman,Mouse,Rat
Host SpeciesRabbit
ConjugateUnconjugated
ApplicationsFlow Cytometry,Immunocytochemistry,Immunofluorescence,Immunohistochemistry (Paraffin),Immunoprecipitation
FormLiquid
IsotypeIgG
Gene Accession No.P21730, P30993, P97520
Concentration0.21 mg/mL
AntigenC5aR
Gene SymbolsC5ar1
Regulatory StatusRUO
Purification MethodAntigen Affinity Chromatography
Gene AliasC5A, C5a R, C5aR, C5AR1, C5R1, CD88
GeneC5AR1
Product TypeAntibody
Gene ID (Entrez)113959, 12273, 728
FormulationPBS with 50% glycerol and 0.02% sodium azide; pH 7.3
ImmunogenC5aR Fusion Protein Ag15968
ClassificationPolyclonal
Primary or SecondaryPrimary
13

Proteintech Prestained Protein Marker

The PL00001 Regular Range Protein Marker is a ready to use three-color protein standard with 10 prestained proteins covering a wide range of molecular weights from 10 to 180 kDa.

14

Proteintech™ HumanKine™ Recombinant Human Wnt3A Protein

HumanKine™ cytokines and growth factors are human cell expressed proteins in HEK293 cells

Content And StorageLyophilized proteins are stable for 1 year from the date of receipt if stored between -20 to -80°C. Upon reconstitution, it is recommended the solution be stored at 4°C for short term or at -20 to -80°C for long term. Repeated freeze thaw cycles should be avoided with reconstituted products.
Purity or Quality Grade> 90%
FormLyophilized
Molecular Weight (g/mol)38 to 42 kDa
Gene ID (Entrez)89780
ActivityTypically ≤ 20 ng/mL EC50
ReconstitutionBriefly centrifuge the vial before opening. It is recommended to reconstitute the protein to ≤ 100 μg/mL in sterile 1 x PBS containing 0.1% endotoxin-free recombinant human serum albumin (HSA).
Expression SystemHuman embryonic kidney 293 (HEK293) human cell expression system
SpeciesHuman
15

Eotaxin Rabbit anti-Human, Polyclonal, Proteintech

Rabbit Polyclonal Antibody

Content And Storage-20°C
Target SpeciesHuman
Host SpeciesRabbit
ConjugateUnconjugated
ApplicationsImmunohistochemistry (Paraffin)
FormLiquid
IsotypeIgG
Gene Accession No.P51671
Concentration0.13 mg/mL
AntigenEotaxin
Gene SymbolsCCL11
Regulatory StatusRUO
Purification MethodAntigen Affinity Chromatography
Gene AliasC C motif chemokine 11, CCL11, Eosinophil chemotactic protein, Eotaxin, SCYA11, Small inducible cytokine A11
GeneCCL11
Product TypeAntibody
Gene ID (Entrez)6356
FormulationPBS with 50% glycerol and 0.02% sodium azide; pH 7.3
ImmunogenEotaxin Fusion Protein Ag2398
ClassificationPolyclonal
Primary or SecondaryPrimary
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About Proteintech

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.