Mouse anti Rat CRP monoclonal antibody, clone 344631 [Biotin]

Mouse Anti-Rat CRP monoclonal antibody for ELISA(Det). 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.

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SPECIFICATIONS

Catalog Number

CABT-L366

Hosts

Mouse

Reactivities

Rat

Conjugates

Biotin

Clone

344631

Target

CRP

Gene Id

25419

Isotype

IgG2B

Clonality

Monoclonal

Storage Temp

Use a manual defrost freezer and avoid repeated freeze-thaw cycles. 12 months from date of receipt, -20 to -70 В°C as supplied. 1 month, 2 to 8 В°C under sterile conditions after reconstitution. 6 months, -20 to -70 В°C under sterile conditions after reconstitution.