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Key Documents

SRP0171

Sigma-Aldrich

Jak2 Jh1 Active human

recombinant, expressed in baculovirus infected insect cells, ≥80% (SDS-PAGE)

Synonym(s):

JAK2, JTK10, Janus kinase 2, Just another kinase 2, Tyrosine-protein kinase JAK2

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About This Item

UNSPSC Code:
12352200
NACRES:
NA.32

biological source

human

recombinant

expressed in baculovirus infected insect cells

assay

≥80% (SDS-PAGE)

form

aqueous solution

mol wt

42.5 kDa

packaging

pkg of 10 μg

concentration

>0.02 mg/mL

NCBI accession no.

NM_004972

UniProt accession no.

O60674

shipped in

dry ice

storage temp.

−70°C

Gene Information

human ... JAK2(3717)

General description

Human Jak2 (GenBank Accession No. NM_004972), (amino acids. 808-end) with N-terminal His tag, MW = 42.5 kDa, expressed in Baculovirus expression system.

Application

Useful for the study of enzyme kinetics, screening inhibitors, and selectivity profiling.

Unit Definition

One unit is defined as the amount of enzyme that will phosphorylate 1 pmol of Tyr substrate per minute at pH 7.4 and 30°C.

Physical form

Formulated in 25 mM Tris-HCl, pH 8.0, 100 mM NaCl, 0.05% Tween-20, 10% glycerol and 1 mM DTT.

Preparation Note

Thaw on ice. Upon first thaw, briefly spin tube containing enzyme to recover full content of the tube. Aliquot enzyme into single use aliquots. Store remaining undiluted enzyme in aliquots at -70°C. Note: Enzyme is very sensitive to freeze/thaw cycles.

Storage Class

12 - Non Combustible Liquids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Kamonpan Sanachai et al.
ACS omega, 7(37), 33548-33559 (2022-09-27)
Janus kinases (JAKs) are nonreceptor protein tyrosine kinases that play a role in a broad range of cell signaling. JAK2 and JAK3 have been involved in the pathogenesis of common lymphoid-derived diseases and leukemia cancer. Thus, inhibition of both JAK2
Chalita Washington et al.
PLoS genetics, 16(6), e1008715-e1008715 (2020-06-20)
Dysregulation of the Ras oncogene in development causes developmental disorders, "Rasopathies," whereas mutational activation or amplification of Ras in differentiated tissues causes cancer. Rabex-5 (also called RabGEF1) inhibits Ras by promoting Ras mono- and di-ubiquitination. We report here that Rabex-5-mediated

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