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You are here:Home » Molecular Biology » MB-Serum Proteins » Haptoglobin, beta, Recombinant, Human

Haptoglobin, beta, Recombinant, Human


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Recombinant Haptoglobin b-chain comprises a 245aa fragment (162-406) corresponding to the mature haptoglobin b-chain and is expressed in E. coli with an amino-terminal hexahistidine tag.
Catalog #H1820-01F
Haptoglobin is a glycoprotein secreted in the blood plasma that binds free haemoglobin thereby inhibiting its oxidative activity and preventing iron loss following haemolysis. Haptoglobin also regulates the activity of many cell types of the immune system and is an extracellular chaperone. Haptoglobin is produced mostly by hepatocytes but also by other tissues e.g. skin, lung and kidney.
ApplicationsSuitable for antigenic applications in immunological protocols as well as calibrators and controls. Other applications have not been tested.
Recommended Dilutions:
Optimal dilutions to be determined by the researcher.
Storage and StabilityMay be stored at 4°C for short-term only. Aliquot to avoid repeated freezing and thawing. Store at -20°C. Aliquots are stable for 6 months at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.
Molecular Weight31.76kD
SourceE. coli
Purity~90% by SDS-PAGE
ConcentrationAs reported
FormSupplied as a liquid in 20mM Tris-HCl, pH 8.0, 50% glycerol.
Important NoteThis product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.

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