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Human Complement Component C5a Protein, Tag Free

分子别名(Synonym)

C5a,Complement Component 5a

表达区间及表达系统(Source)

Human C5a, Tag Free (C5A-H5116) is expressed from E.coli cells. It contains AA Leu 679 - Arg 751 (Accession # P01031).

Predicted N-terminus: Met

蛋白结构(Molecular Characterization)

Online(Leu 679 - Arg 751) P01031

This protein carries no "tag".

The protein has a calculated MW of 8.3 kDa. The protein migrates as 9 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 PBS, pH7.4. 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 C5a, Tag Free (Cat. No. C5A-H5116) SDS-PAGE gel

Human C5a, Tag Free on SDS-PAGE under reducing (R) condition. The gel was stained overnight with Coomassie Blue. The purity of the protein is greater than 95%.

 

活性(Bioactivity)-ELISA

Biotinylated Human ELISA

Immobilized Human C5a, Tag Free (Cat. No. C5A-H5116) at 2 μg/mL (100 μL/well) can bind Anti-C5a MAb, Human IgG1 with a linear range of 0.8-13 ng/mL (QC tested).

Protocol

活性(Bioactivity)-Cell based assay

Biotinylated Human CELL_BASE

Human C5a, Tag Free (Cat. No. C5A-H5116) induce N-acetyl-β-D-glucosaminidase release from differentiated U937 cells. The ED50 for this effect is 0.215-0.323 μg/mL (Routinely tested).

Protocol

 

背景(Background)

Human Complement Component C5a (C5a) is also known as C5,and is a protein fragment released from complement component C5.,is a potent chemotactic factor for human peripheral blood neutrophils and monocytes, and is believed to play an important role in a number of inflammatory conditions. There are several functions in the below: C5a is an anaphylatoxin, causing the release of histamine from mast cells; C5a is effective leukocyte chemoattractants, causing the accumulation of white blood cells, especially neutrophil granulocytes, at sites of complement activation; C5a activates white blood cells by increasing avidity for white blood cell integrins and upregulating the Lipoxygenase pathway for arachidonic acid metabolism; C5a is a powerful inflammatory mediator, and seems to be a key factor in the development of pathology of many inflammatory diseases involving the complement system; C5a modulates balance between activating versus inhibitory IgG Fc receptors on leukocytes, thereby enhancing autoimmune response.

 

前沿进展

 
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Complement Component C5a靶点信息
英文全称:C5a anaphylatoxin chemotactic receptor
中文全称:过敏毒素C5a趋化受体
种类:Homo sapiens
上市药物数量:0详情
临床药物数量:2详情
最高研发阶段:临床三期
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