14-918 Display Image

JAK1; active 10ug

Code: 14-918 D2-231


Research CategorySignaling

Biochem/physiol Actions

Target Sub-Family: TK


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Research CategorySignaling

Biochem/physiol Actions

Target Sub-Family: TK


Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.

General description

Janus kinase 1 (JAK1), is a member of a new class of protein-tyrosine kinases (PTK) characterized by the presence of a second phosphotransferase-related domain immediately N-terminal to the PTK domain. The second phosphotransferase domain bears all the hallmarks of a protein kinase, although its structure differs significantly from that of the PTK and threonine/serine kinase family members. JAK1 is a large, widely expressed membrane-associated phosphoprotein. JAK1 is involved in the interferon-alpha/beta and -gamma signal transduction pathways. The reciprocal interdependence between JAK1 and TYK2 activities in the interferon-alpha pathway, and between JAK1 and JAK2 in the interferon-gamma pathway, may reflect a requirement for these kinases in the correct assembly of interferon receptor complexes. These kinases couple cytokine ligand binding to tyrosine phosphorylation of various known signaling proteins and of a unique family of transcription factors termed the signal transducers and activators of transcription, or STATs.

Product Source: N-terminal GST-tagged, recombinant, human JAK1 amino acids 866-end, expressed by baculovirus in Sf21 insect cells. Activated in vitro by auto-phosphorylation.

Legal Information

UPSTATE is a registered trademark of Merck KGaA, Darmstadt, Germany

Triton is a trademark of The Dow Chemical Company or an affiliated company of Dow

Other Notes

For Specific Activity data, refer to the Certificate of Analysis for individual lots of this enzyme.


Also available in 250µg size as catalog # 14-918M and in bulk as catalog # 14-918-K.

Physical form

50mM Tris/HCl pH7.5, 150mM NaCl, 5mM β-glycerophosphate, 0.5mM sodium orthovanadate, 50% v/v glycerol, 0.02% Triton X-100, 0.5mM EDTA, 2mM DTT. Frozen solution.

Purified using glutathione sepharose.


Routinely evaluated by phosphorylation of peptide GEEPLYWSFPAKKK.

Storage and Stability

6 months at -70°C

biological sourcehuman
Gene Informationhuman ... JAK1(3716)
mol wtMw 61 kDa
NCBI accession no.NM_002227
Quality Level100
recombinantexpressed in baculovirus infected Sf21 cells
technique(s)activity assay: suitable (kinase)
UniProt accession no.P23458
Unit Size
List Price
List Price: €3,902.70
Source:List Price
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