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Human C-Reactive Protein (CRP) Protein, His Tag

分子别名(Synonym)

CRP,C-reactive Protein

表达区间及表达系统(Source)

Human C-Reactive Protein, His Tag (CRP-H5226) is expressed from human 293 cells (HEK293). It contains AA Gln 19 - Pro 224 (Accession # NP_000558.2).

Predicted N-terminus: Gln 19

蛋白结构(Molecular Characterization)

Online(Gln 19 - Pro 224) NP_000558.2

This protein carries a polyhistidine tag at the C-terminus.

The protein has a calculated MW of 23.9 kDa. The protein migrates as 26 kDa under reducing (R) condition (SDS-PAGE).

内毒素(Endotoxin)

Less than 1.0 EU per μg by the LAL method.

纯度(Purity)

>95% as determined by SDS-PAGE.

制剂(Formulation)

Lyophilized from 0.22 μm filtered solution in Tris-NaCl buffer pH8.0. Normally trehalose is added as protectant before lyophilization.

Contact us for customized product form or formulation.

重构方法(Reconstitution)

Please see Certificate of Analysis for specific instructions.

For best performance, we strongly recommend you to follow the reconstitution protocol provided in the CoA.

存储(Storage)

For long term storage, the product should be stored at lyophilized state at -20°C or lower.

Please avoid repeated freeze-thaw cycles.

This product is stable after storage at:

  1. -20°C to -70°C for 12 months in lyophilized state;
  2. -70°C for 3 months under sterile conditions after reconstitution.
 

电泳(SDS-PAGE)

Human C-Reactive Protein, His Tag (Cat. No. CRP-H5226) SDS-PAGE gel

Human C-Reactive Protein, His Tag on SDS-PAGE under reducing (R) condition. The gel was stained overnight with Coomassie Blue. The purity of the protein is greater than 95%.

文献引用(Citations)

背景(Background)

C-reactive protein (CRP) is a member of the pentraxin family of proteins that are characterized by a cyclic pentameric structure. Human CRP gene encodes a 224 amino acids precursor. The mature human CRP protein has 206 amino acids that are noncovalently linked to form the pentameter. Human CRP shares 71% and 64% amino acid sequence homology with mouse and rat respectively. CRP, synthesized by hepatocytes, is a major acute phase serum protein in human. IL6, IL1 and glucocorticoids are the major inducer of the CRP gene. The physiological role of CRP is to bind to phosphocholine expressed on the surface of dead or dying cells (and some types of bacteria) in order to activate the complement system. CRP binds to phosphocholine on microbes and damaged cells and enhances phagocytosis by macrophages. Thus, CRP participates in the clearance of necrotic and apoptotic cells. CRP rises up to 50,000-fold in acute inflammation, such as infection. It rises above normal limits within 6 hours, and peaks at 48 hours. Its half-life is constant, and therefore its level is mainly determined by the rate of production. It has been shown that high levels of CRP in humans is associated with an increased risk of cardiovascular diseases.

 

前沿进展

 
货号/价格

CRP-H5226-250ug / ¥1500

CRP-H5226-1mg (250ug X 4) / ¥4700

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C-Reactive Protein靶点信息
英文全称:C-reactive protein
中文全称:C-反应蛋白
种类:Homo sapiens
上市药物数量:0详情
临床药物数量:5详情
最高研发阶段:临床二期
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