Rat C-Reactive Protein/CRP Biotinylated Antibody

Catalog # Availability Size / Price Qty
BAM17442
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Rat C-Reactive Protein/CRP Biotinylated Antibody Summary

Species Reactivity
Rat
Specificity
Detects rat C‑Reactive Protein/CRP in ELISAs. In sandwich immunoassays, no cross-reactivity or interference was observed with recombinant human CRP, recombinant mouse CRP, recombinant porcine CRP, or recombinant rat Pentraxin 2 is observed.
Source
Monoclonal Mouse IgG2B Clone # 233520
Purification
Protein A or G purified from hybridoma culture supernatant
Immunogen
Mouse myeloma cell line NS0-derived recombinant rat C‑Reactive Protein/CRP
His20-Ser230 (predicted)
Accession # P48199
Formulation
Lyophilized from a 0.2 μm filtered solution in PBS with BSA as a carrier protein.
Label
Biotin

Applications

Recommended Concentration
Sample

Rat C-Reactive Protein/CRP Sandwich Immunoassay

Recommended Concentration
Reagent
ELISA Detection (Matched Antibody Pair)
0.5-2.0 µg/mL 

Use in combination with:

Capture Reagent: Rat C‑Reactive Protein/CRP Antibody (Catalog # MAB17441)

Standard: Recombinant Rat C-Reactive Protein/CRP Protein (Catalog # 1744-CR)

Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.

Reconstitution Calculator

Reconstitution Calculator

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Preparation and Storage

Reconstitution
Reconstitute at 0.5 mg/mL in sterile PBS.
Reconstitution Buffer Available
Reconstitution Buffer 1 (PBS)
Catalog #
Availability
Size / Price
Qty
RB01
Shipping
The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 12 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 6 months, -20 to -70 °C under sterile conditions after reconstitution.

Background: C-Reactive Protein/CRP

CRP is a member of the pentraxin family of proteins that are characterized by a cyclic pentameric structure. The rat CRP gene encodes a 230 amino acid (aa) precursor with a signal peptide of 19 aa and the mature polypeptide of 211 aa. Rat CRP shares 64% and 70% aa sequence homology with human and mouse CRP respectively. Human, mouse and rabbit CRP are non-glycosylated proteins, and the units are non-covalently linked to form the pentameter. In contrast, rat CRP is a glycoprotein and contains a covalently linked dimer in the pentameter. CRP exhibits Ca++-dependent binding to ligands. Phosphocholine (PCh), a constituent of many bacterial and fungal walls, is a principal ligand of CRP. CRP also binds to the membrane of injured cells, the membrane and nuclear components of necrotic and apoptotic cells. Upon binding with the ligands, CRP is recognized by C1q and initiates the activation of complement cascade. Ligand bound CRP also binds to Fc gamma RI and Fc gamma RIIa on phagocytes and activates phagocytotic responses. In addition to phagocytosis, CRP also induces the production of hydrogen peroxide and inflammatory cytokines, such as IL-1, IL-6 and TNF-alpha. In human and rabbits, CRP is an important acute-phase protein that plays a role in the first line of host innate defense. The level of plasma CRP at basal conditions in human and rabbits is very low, and can increase 1,000-fold within 24‑48 hours in response to infection, inflammation or tissue damage. In rats, CRP exists at a high level at basal conditions and only increases about 2-fold in response to injury. CRP is not a typical acute-phase protein in rat and is a minor component in response to injury. In mice, CRP is expressed at very low levels and is not an acute phase reactant. Serum amyloid P component (SAP), another pentraxin, is an acute phase serum protein in mice.

References
  1. Mohammad, R. et al. (1992) J. Biol. Chem. 267:2947.
  2. Sambasivam, H. et al. (1993) J. Biol. Chem. 268:10007.
  3. Padilla, N.D. et al. (2003) Immunology 109:564.
  4. Volanakis, J.E. (2001) Molecular Immunology 38:189.
Entrez Gene IDs
1401 (Human); 12944 (Mouse); 25419 (Rat)
Alternate Names
C-Reactive Protein; C-reactive protein, pentraxin-related; CRP; MGC88244; pentraxin 1; PTX1MGC149895

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