CD55 / DAF Protein, Mouse, Recombinant (His Tag)

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CD55 / DAF Protein, Mouse, Recombinant (His Tag): 製品情報

純度
> 92 % as determined by SDS-PAGE
内毒素
< 1.0 EU per μg of the protein as determined by the LAL method
活性
Testing in progress
タンパク質の構築
A DNA sequence encoding the mature form of mouse CD55 (Q61475) (Met 1-Thr 361) was expressed, with a C-terminal polyhistidine tag.
NCBI Reference No.
発現ホスト
HEK293 Cells
Mouse
予測N末端
Asp 35
分子量
The secreted recombinant mouse CD55 comprises 338 amino acids and has a calculated molecular mass of 37.2 kDa. As a result of glycosylation, the apparent molecular mass of rmCD55 is approximately 60 kDa in SDS-PAGE under reducing conditions.
バッファー
Lyophilized from sterile PBS, pH 7.4
1. Normally 5 % - 8 % trehalose, mannitol and 0.01% Tween80 are added as protectants before lyophilization. Specific concentrations are included in the hardcopy of COA.
2. Please contact us for any concerns or special requirements.
Please refer to the specific buffer information in the hard copy of CoA.
配送
In general, recombinant proteins are provided as lyophilized powder which are shipped at ambient temperature.
Bulk packages of recombinant proteins are provided as frozen liquid. They are shipped out with blue ice unless customers require otherwise.
安定性 & 保存条件
Samples are stable for up to twelve months from date of receipt at -20℃ to -80℃
Store it under sterile conditions at -20℃ to -80℃. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.
再構成
A hardcopy of COA with reconstitution instruction is sent along with the products. Please refer to it for detailed information.

CD55 / DAF Protein, Mouse, Recombinant (His Tag): 画像

CD55 / DAF Protein, Mouse, Recombinant (His Tag): 別名

Daf Protein, Mouse; Daf-GPI Protein, Mouse; Daf1 Protein, Mouse; GPI-DAF Protein, Mouse

CD55 / DAF 背景情報

CD55, also well known as decay-accelerating factor (DAF), is a member of the RCA (regulators of complement activation) family characterized by four to 3 SCRs (short consensus repeats) in their plasma-exposed regions. It is a major regulator of the alternative and classical pathways of complement activation and is expressed on all serum-exposed cells. CD55 is physiologically acting as an inhibitor of the complement system, but is also broadly expressed in malignant tumours. DAF seems to exert different functions beyond its immunological role such as promotion of tumorigenesis, decrease of complement mediated tumor cell lysis, autocrine loops for cell rescue and evasion of apoptosis, neoangiogenesis, invasiveness, cell motility. It is commonly hijacked by invading pathogens, including many enteroviruses and uropathogenic Escherichia coli, to promote cellular attachment prior to infection. This 7-75 kDa glycoprotein CD55 containing four SCR modules is involved in the regulation of the complement cascade. It inhibits complement activation by suppressing the function of C3/C5 convertases, thereby limiting local generation or deposition of C3a/C5a and membrane attack complex (MAC or C5b-9) production. DAF has been identified as a ligand for an activation-associated, seven-transmembrane lymphocyte receptor, CD97, which is a receptor mediating attachment and infection of several viruses and bacteria. In addition, it has been shown that DAF regulates the interplay between complement and T cell immunity in vivo, and thus may be implicated in immune and tumor biology.
完全な名称
CD55 molecule, decay accelerating factor for complement (Cromer blood group)
参考文献
  • Lea S. (2002) Interactions of CD55 with non-complement ligands. Biochem Soc Trans. 30(Pt 6): 1014-9.
  • Mikesch JH, et al. (2006) The expression and action of decay-accelerating factor (CD55) in human malignancies and cancer therapy. Cell Oncol. 28(5-6): 223-32.
  • Wang Y, et al. (2010) Decay accelerating factor (CD55) protects neuronal cells from chemical hypoxia-induced injury. J Neuroinflammation. 7:24.
  • Emergence of a Large-Plaque Variant in Mice Infected with Coxsackievirus B3
    Author
    Wang, Y;Pfeiffer, JK;
    Year
    2016
    Journal
    MBio
    Application
    binding
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