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Human CKB / Creatine kinase B type Protein (His Tag)

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Human CKB Protein Product Information
Synonym:CKB, CKBB
Protein Construction:A DNA sequence encoding the human CKB (P12277)(Pro2-Lys381) was fused with a polyhistide tag at the N-terminus.
Expressed Host:Baculovirus-Insect Cells
Shipping:Kinases are highly recommended to be shipped at frozen temperature with blue ice or dry ice.
Shipment made at ambient temperature may seriously affect the activity of the ordered products.
Human CKB Protein QC Testing
Purity:> 90 % as determined by SDS-PAGE
Bio-Activity:Kinase activity untested
Endotoxin:< 1.0 EU per μg of the protein as determined by the LAL method
Stability:Samples are stable for up to twelve months from date of receipt at -70℃
Predicted N Terminal:His
Molecule Mass:The recombinant human CKB consists of 398 amino acids and has a calculated molecular mass of 44.8 kDa. The recombinant protein migrates as an approximately 45 kDa band in SDS-PAGE under reducing conditions.
Formulation:Lyophilized from sterile 50mM Tris, 100mM NaCl, 10% gly, pH 8.0.
1. Normally 5 % - 8 % trehalose and mannitol are added as protectants before lyophilization. Specific concentrations are included in the hardcopy of COA.
2. Please contact us for any concerns or special requirements.
Human CKB Protein Usage Guide
Storage:Store it under sterile conditions at -20℃ to -80℃. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.
Reconstitution:A hardcopy of COA with reconstitution instruction is sent along with the products. Please refer to it for detailed information.
Human CKB Protein SDS-PAGE
Human CKB / Creatine kinase B type Protein (His Tag) SDS-PAGE
Other CKB Recombinant Protein Products
CKB / Creatine kinase B type Background

CKB(Creatine kinase B type) contains 1 phosphagen kinase C-terminal domain and 1 phosphagen kinase N-terminal domain. It belongs to the ATP:guanido phosphotransferase family. CKB consists of a homodimer of two identical brain-type CK-B subunits. CKB is a cytoplasmic enzyme involved in cellular energy homeostasis, with certain fractions of the enzyme being bound to cell membranes, ATPases, and a variety of ATP-requiring enzymes in the cell. There, CKB forms tightly coupled microcompartments for in situ regeneration of ATP that has been used up. CKB reversibly catalyzes the transfer of "energy-rich" phosphate between ATP and creatine or between phospho-creatine (PCr) and ADP. Its functional entity is a homodimer in brain, smooth muscle as well as in other tissues and cells such as neuronal cells, retina, kidney, bone etc.

Human CKB / Creatine kinase B type References
  • Wienker TF, et al. (1985) A dominant mutation causing ectopic expression of the creatine kinase B gene maps on chromosome 14. Cytogenet Cell Genet. 40:776.
  • Mariman EC, et al. (1989) Complete nucleotide sequence of the human creatine kinase B gene. Nucleic Acids Res. 17(15):6385.
  • Bong S, et al. (2008) Structural studies of human brain-type creatine kinase complexed with the ADP–Mg2+–NO3−–creatine transition-state analogue complex. FEBS Letters. 582(28): 3959-65.
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    Catalog: 14415-H07B-50
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