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SRP5016 Sigma-Aldrich

CK1 γ 2, active, GST tagged human

PRECISIO® Kinase, recombinant, expressed in baculovirus infected Sf9 cells, ≥70% (SDS-PAGE), buffered aqueous glycerol solution

Synonym: CK1G2, CSNK1G2

  •  NACRES NA.32



Related Categories Active Kinases, Cell Biology, Cell Signaling and Neuroscience, Kinase/Phosphatase Biology
recombinant   expressed in baculovirus infected Sf9 cells
grade   PRECISIO® Kinase
assay   ≥70% (SDS-PAGE)
form   buffered aqueous glycerol solution
activity   25-35 nmol/min·mg
mol wt   ~73 kDa
NCBI accession no.   NM_001319
shipped in   dry ice
storage temp.   −70°C
Gene Information   human ... CSNK1G2(1455)


General description

Casein kinase 1 γ 2 (CK1γ2) is a member of the CK1 family of serine/threonine protein kinases which play an important role in diverse cell processes, including DNA replication and repair. It is a ubiquitously expressed cytoplasmic kinase. The gene encoding this protein is localized on human chromosome 19p13.3.

Biochem/physiol Actions

Casein kinase 1 γ 2 (CK1γ2) can interact and phosphorylate the metastatic tumor antigen 1 short form (MTA1s) co-localizing it in the cytoplasm. Phosphorylated MTA1s then sequesters the estrogen receptor-α in the cytoplasm of breast cancer cells. CK1γ2 hyperphosphorylates the ceramide transfer protein CERT leading to a decrease in de novo sphingomyelin synthesis. The reduction in synthesis of sphingomyelin is reversed by the expression of CERT mutants that are not hyperphosphorylated.

Physical form

Supplied in 50mM Tris-HCl, pH 7.5, 150mM NaCl, 10mM glutathione, 0.1mM EDTA, 0.25mM DTT, 0.1mM PMSF, 25% glycerol.

Preparation Note

after opening, aliquot into smaller quantities and store at -70 °C. Avoid repeating handling and multiple freeze/thaw cycles

Legal Information

PRECISIO is a registered trademark of Sigma-Aldrich Co. LLC

Safety & Documentation

Safety Information

NONH for all modes of transport
WGK Germany 
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable


Certificate of Analysis (COA)

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Protocols & Articles
Peer-Reviewed Papers


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