Haptoglobin, Recombinant, Human, aa19-347, His-Tag (HP, Haptoglobin Isoform 2 Preproprotein)

Catalog No : USB-218212
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Product name Haptoglobin, Recombinant, Human, aa19-347, His-Tag (HP, Haptoglobin Isoform 2 Preproprotein)
Catalog No USB-218212
Supplier’s Catalog No 218212
Supplier US Biologicals
Source antigen Recombinant, E. coli
Reactivity
Cross reactivity
Applications
Molecular weight 39
Storage -20°C
Other names
Grade Purified
Purity ~80% (SDS-PAGE)
Form Supplied as a liquid in 20mM Tris-HCl, pH 8.0, 0.4M urea, 10% glycerol.
Reactivity life 6 months
Note For reserch purpose only
Purity ~80% (SDS-PAGE)
Description HP, as known as haptoglobin, is processed to yield both alpha and beta chains, which subsequently combine as a tetramer to produce haptoglobin. In blood plasma, haptoglobin binds free hemoglobin (Hb) released from erythrocytes with high affinity and thereby inhibits its oxidative activity. The haptoglobin-hemoglobin complex will then be removed by the reticuloendothelial system (mostly the spleen). Source: Recombinant corresponding to aa19-347 from human HP protein, fused to His-tag at N-terminus, expressed in E.coli. Molecular Weight: ~39kD (352aa) Applications: Suitable for use in SDS-PAGE. Other applications not tested. Recommended Dilution: Optimal dilutions to be determined by the researcher. Storage and Stability: May be stored at 4°C for short-term only. Aliquot to avoid repeated freezing and thawing. Store 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.