• Product name
  • Description
    Rabbit polyclonal to JAK1
  • Host species
  • Specificity
    Detects endogenous levels of JAK1 protein
  • Tested applications
    Suitable for: ICC/IF, IHC-P, ELISA, WBmore details
  • Species reactivity
    Reacts with: Mouse, Human
    Predicted to work with: Rat
  • Immunogen

    Synthetic non - phosphopeptide (Human) from around the phosphorylation site of Tyrosine 1022

  • Positive control
    • Human breast carcinoma tissue. Extracts from MCF7 cells.



Our Abpromise guarantee covers the use of ab47435 in the following tested applications.

The application notes include recommended starting dilutions; optimal dilutions/concentrations should be determined by the end user.

Application Abreviews Notes
ICC/IF Use a concentration of 1 µg/ml.
IHC-P Use at an assay dependent concentration.
ELISA 1/10000.
WB 1/500 - 1/1000. Detects a band of approximately 132 kDa (predicted molecular weight: 132 kDa).


  • Function
    Tyrosine kinase of the non-receptor type, involved in the IFN-alpha/beta/gamma signal pathway. Kinase partner for the interleukin (IL)-2 receptor.
  • Tissue specificity
    Expressed at higher levels in primary colon tumors than in normal colon tissue. The expression level in metastatic colon tumors is comparable to the expression level in normal colon tissue.
  • Sequence similarities
    Belongs to the protein kinase superfamily. Tyr protein kinase family. JAK subfamily.
    Contains 1 FERM domain.
    Contains 1 protein kinase domain.
    Contains 1 SH2 domain.
  • Domain
    Possesses two phosphotransferase domains. The second one probably contains the catalytic domain (By similarity), while the presence of slight differences suggest a different role for domain 1.
    The FERM domain mediates interaction with JAKMIP1.
  • Cellular localization
    Endomembrane system. Wholly intracellular, possibly membrane associated.
  • Information by UniProt
  • Database links
  • Alternative names
    • JAK 1 antibody
    • JAK 1A antibody
    • JAK 1B antibody
    • JAK-1 antibody
    • JAK1 antibody
    • JAK1_HUMAN antibody
    • JAK1A antibody
    • JAK1B antibody
    • Janus kinase 1 (a protein tyrosine kinase) antibody
    • Janus kinase 1 antibody
    • JTK3 antibody
    • Tyrosine protein kinase JAK 1 antibody
    • Tyrosine protein kinase JAK1 antibody
    • Tyrosine-protein kinase JAK1 antibody
    see all


  • Immunohistochemical staining of paraffin embedded human breast carcinoma tissue using ab47435 at dilution of 1/50-1/100. Right panel treated with peptide and left panel untreated
  • All lanes : Anti-JAK1 antibody (ab47435) at 1/500 dilution

    Lane 1 : MCF7 cell extract treated with EGF
    Lane 2 : MCF7 cell extract treated with EGF with peptide

    Predicted band size: 132 kDa

  • ICC/IF image of ab47435 stained HeLa cells. The cells were 4% PFA fixed (10 min) and then incubated in 1%BSA / 10% normal goat serum / 0.3M glycine in 0.1% PBS-Tween for 1h to permeabilise the cells and block non-specific protein-protein interactions. The cells were then incubated with the antibody (ab47435, 1µg/ml) overnight at +4°C. The secondary antibody (green) was Alexa Fluor® 488 goat anti-rabbit IgG (H+L) used at a 1/1000 dilution for 1h. Alexa Fluor® 594 WGA was used to label plasma membranes (red) at a 1/200 dilution for 1h. DAPI was used to stain the cell nuclei (blue) at a concentration of 1.43µM.


This product has been referenced in:
  • Chen X  et al. MicroRNA-214 inhibits the proliferation and invasion of lung carcinoma cells by targeting JAK1. Am J Transl Res 10:1164-1171 (2018). Read more (PubMed: 29736209) »
  • Zhao L  et al. Long non-coding RNA HULC promotes UVB-induced injury by up-regulation of BNIP3 in keratinocytes. Biomed Pharmacother 104:672-678 (2018). WB ; Human . Read more (PubMed: 29803927) »

See all 6 Publications for this product

Customer reviews and Q&As

Please accept my apologies for you having trouble with ab47435. The anti-JAK1 antibody is covered under our Abpromise, which states that we guarantee all of our antibodies for 6 months to work as stated on the datasheet. In the case of ab47435, it is g...

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