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Human Complement component 3 / Complement C3 Protein, His Tag

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分子别名(Synonym)

Complement C3,CPAMD1

表达区间及表达系统(Source)

Human Complement component 3, His Tag (CO3-H52H3) is expressed from human 293 cells (HEK293). It contains AA Ser 23 - Asn 1663 (Accession # P01024-1).

Predicted N-terminus: Ser 23

蛋白结构(Molecular Characterization)

Online-Res(Ser 23 - Asn 1663) P01024-1

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

The protein has a calculated MW of 186.8 kDa.

内毒素(Endotoxin)

制剂(Formulation)

Please contact us for detailed information.

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 -22°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.
 

背景(Background)

C3 is the major complement component serum. It is mainly synthesized by macrophages and liver. C3 plays a central role in the activation of the complement system. Its processing by C3 convertase is the central reaction in both classical and alternative complement pathways. It is cleaved into two fragments, C3a and C3b. C3a anaphylatoxin is a mediator of local inflammatory process. In chronic inflammation, acts as a chemoattractant for neutrophils. After activation C3b can bind covalently, via its reactive thioester, to cell surface carbohydrates or immune aggregates. It induces the contraction of smooth muscle, increases vascular permeability and causes histamine release from mast cells and basophilic leukocytes.

 

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