Recombinant Rat Haptoglobin(Hp)

Code CSB-YP010691RA
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Source Yeast
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Code CSB-EP010691RA
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Source E.coli
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Code CSB-EP010691RA-B
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Source E.coli
Conjugate Avi-tag Biotinylated
E. coli biotin ligase (BirA) is highly specific in covalently attaching biotin to the 15 amino acid AviTag peptide. This recombinant protein was biotinylated in vivo by AviTag-BirA technology, which method is BriA catalyzes amide linkage between the biotin and the specific lysine of the AviTag.
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Code CSB-BP010691RA
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Source Baculovirus
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Code CSB-MP010691RA
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Source Mammalian cell
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Product Details

Purity >85% (SDS-PAGE)
Target Names Hp
Uniprot No. P06866
Alternative Names Hp; Ba1-647; Haptoglobin; Liver regeneration-related protein LRRG173) [Cleaved into: Haptoglobin alpha chain; Haptoglobin beta chain]
Species Rattus norvegicus (Rat)
Expression Region 19-347
Protein Length Full Length of Mature Protein
Tag Info The following tags are available.
N-terminal His-tagged
The tag type will be determined during production process. If you have specified tag type, please tell us and we will develop the specified tag preferentially.
Form Lyophilized powder
Buffer before Lyophilization Tris/PBS-based buffer, 6% Trehalose, pH 8.0
Reconstitution We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Please reconstitute protein in deionized sterile water to a concentration of 0.1-1.0 mg/mL.We recommend to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20℃/-80℃. Our default final concentration of glycerol is 50%. Customers could use it as reference.
and FAQs
Protein FAQs
Storage Condition Store at -20°C upon receipt, aliquoting is necessary for mutiple use. Avoid repeated freeze-thaw cycles.
Shelf Life The shelf life is related to many factors, storage state, buffer ingredients, storage temperature and the stability of the protein itself.
Generally, the shelf life of liquid form is 6 months at -20°C/-80°C. The shelf life of lyophilized form is 12 months at -20°C/-80°C.
Lead Time Delivery time may differ from different purchasing way or location, please kindly consult your local distributors for specific delivery time.
Note: All of our proteins are default shipped with normal blue ice packs, if you request to ship with dry ice, please communicate with us in advance and extra fees will be charged.
Notes Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.
Datasheet Please contact us to get it.

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Target Background

(From Uniprot)
As a result of hemolysis, hemoglobin is found to accumulate in the kidney and is secreted in the urine. Haptoglobin captures, and combines with free plasma hemoglobin to allow hepatic recycling of heme iron and to prevent kidney damage. Haptoglobin also acts as an antioxidant, has antibacterial activity and plays a role in modulating many aspects of the acute phase response. Hemoglobin/haptoglobin complexes are rapidely cleared by the macrophage CD163 scavenger receptor expressed on the surface of liver Kupfer cells through an endocytic lysosomal degradation pathway (By similarity).
Gene References into Functions
  1. This study demonistrated that increased Hp in serum came from the liver in response to TBI and that IL-6 is an important mediator of this induction. PMID: 23172820
  2. Vaccenic acid normalizes serum haptoglobin in obese/insulin resistant JCR:LA-cp rats PMID: 22254015
  3. activated glucocorticoid receptor through direct interactions with STAT3 and C/EBPbeta, participates in Hp gene upregulation as a transcriptional coactivator. PMID: 20155810
  4. Haptoglobin deficiency worsens intracerebral hemorrhage whereas haptoglobin overexpression alleviates intracerebral hemorrhage-mediated brain injury. PMID: 20016097
  5. Hp-mediated haemoglobin catabolism in lung cells may be an efficient mechanism to reduce oxidative damage associated with haemolysis PMID: 11865979
  6. Haptoglobin gene expression regulation PMID: 11865981
  7. Hp is transcriptionally modulated throughout prenatal hepatic development by fetal p53 protein. PMID: 11991649
  8. upregulated in reactive astrocytes after transient forebrain ischemia in rats PMID: 12368655
  9. Hp gene transcription is regulated by C/EBP alpha during normal liver development, whereas C/EBP beta is involved in the acute-phase response regulation during the later phase of differentiation and in the adult. PMID: 16172914
  10. Western blotting and enzyme-linked immunosorbent assay clearly showed a markedly increased level of Hp in the urine, but not in the serum, of the PHN animals. PMID: 17616219
  11. that interactions between C/EBPs and HDAC1 negatively regulate C/EBPdelta-dependent haptoglobin expression in intestinal epithelial cells. PMID: 17910034
  12. lamin components of the nuclear matrix form a network of functional, dynamic protein-protein and protein-Hp-S/MAR associations with multiple partners, and underline the involvement of PARP-1 in the regulation of haptoglobin gene transcription. PMID: 19521970
  13. Data concluded that haptoglobin gene up-regulation during chronic dietary restriction was regulated by different mechanisms than during the acute phase response. PMID: 19545490

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Subcellular Location Secreted
Protein Families Peptidase S1 family
Tissue Specificity Expressed by the liver and secreted in plasma.
Database Links

KEGG: rno:24464

UniGene: Rn.10950

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  Email: [email protected]
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