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Human CRP / C-Reactive Protein

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CRPProtein Product Information
Synonym:CRP, PTX1
Protein Construction:A DNA sequence encoding the human CRP (P02741-1) (Met1-Pro224) was expressed and purified.
Species:Human
Expressed Host:Human Cells
Form & Shipping:In general, recombinant proteins are provided as lyophilized powder which are shipped at ambient temperature.
Bulk packages of recombinant proteins are provided as frozen liquid. They are shipped out with blue ice unless customers require otherwise.
CRPProtein QC Testing
Purity:> 90 % as determined by SDS-PAGE
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:Gln 19
Molecule Mass:The recombinant human CRP consists of 206 amino acids and has a predicted molecular mass of 23 kDa. As a result of glycosylation, the apparent molecular mass of CRP is approximately 26 kDa in SDS-PAGE under reducing conditions.
Formulation:Lyophilized from sterile 20mM Tris, 0.2M NaCl, 5mM CaCl2, 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.
CRPProtein 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.
11250-HNAH
Background

C-reactive protein (CRP) is synthesized by the liver in response to factors released by fat cells. It is a member of the pentraxin family of proteins. The levels of CRP rise in response to inflammation. Human C-reactive protein (CRP) is the classical acute phase reactant, the circulating concentration of which rises rapidly and extensively in a cytokine-mediated response to tissue injury, infection and inflammation. Serum CRP values are routinely measured, empirically, to detect and monitor many human diseases. However, CRP is likely to have important host defence, scavenging and metabolic functions through its capacity for calcium-dependent binding to exogenous and autologous molecules containing phosphocholine (PC) and then activating the classical complement pathway. CRP may also have pathogenic effects and the recent discovery of a prognostic association between increased CRP production and coronary atherothrombotic events is of particular interest.

References
  • Pepys MB. et al., 2003, J Clin Invest. 111 (12): 1805-12.
  • Thompson D. et al., 1999, Structure. 7(2): 169-77.
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    • Human CRP / C-Reactive Protein SDS-PAGE
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