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Human CARKL / SHPK Protein

CARKL,SHK

Catalog Number P14833-HNCB
Organism Species Human
Host Baculovirus-Insect Cells
Synonyms CARKL,SHK
Molecular Weight The recombinant human SHPK consists of 479 amino acids and has a calculated molecular mass of 51.5 kDa. The recombinant protein migrates as an approximately 47 kDa band in SDS-PAGE under reducing conditions.
predicted N Gly
SDS-PAGE
Purity > 85 % as determined by SDS-PAGE
Protein Construction A DNA sequence encoding the human SHPK (NP_037408.2) (Ala2-Ser478) was fused with two additional amino acids (Gly&Pro) at the N-terminus.
Bio-activity Kinase activity untested
Research Area Immunology |Signal Transduction |Metabolism |Types of disease |Metabolism in Cancer
Formulation Lyophilized from sterile 20mM Tris, 500mM NaCl, 3mM DTT, 10% glycerol, pH 7.4.
1. Normally 5 % - 8 % trehalose, mannitol and 0.01% Tween80 are added as protectants before lyophilization. Specific concentrations are included in the hardcopy of COA.
Background CARKL, also known as SHPK, is a nonprotein kinase of glucose metabolism. CARKL has weak homology to several carbohydrate kinases, a class of proteins involved in the phosphorylation of sugars as they enter a cell, inhibiting return across the cell membrane. CARKL catalyzes an orphan reaction in the pentose phosphate pathway, refocusing cellular metabolism to a high-redox state upon physiological or artificial downregulation. CARKL-dependent metabolic reprogramming is required for proper M1- and M2-like macrophage polarization and uncover a rate-limiting requirement for appropriate glucose flux in macrophage polarization.
Reference
  • Haschemi A. et al., 2012, Cell Metab. 15 (6): 813-26.
  • Udeshi ND. et al., 2012, Mol Cell Proteomics. 11 (5): 148-59.
  • Wamelink MM. et al., 2008, Hum Mutat. 29 (4): 532-6.