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Complement C5 Protein, Human, Recombinant (Flag)

产品编号 TMPY-06814

别名: C5a, CPAMD4, ECLZB, C5b, C5D, Complement C5, complement component 5

Complement C5 Protein, Human, Recombinant (Flag) is expressed in HEK293 mammalian cells with Flag tag. The predicted molecular weight is 187.36 kDa and the accession number is NP_001726.2.

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Complement C5 Protein, Human, Recombinant (Flag)

规格	价格/CNY		货期	数量
100 μg	￥ 4,460		5日内发货
1 mg	￥ 29,000		5日内发货

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参考文献

生物活性	Testing in progress
产品描述	Complement C5 Protein, Human, Recombinant (Flag) is expressed in HEK293 mammalian cells with Flag tag. The predicted molecular weight is 187.36 kDa and the accession number is NP_001726.2.

种属	Human
表达系统	HEK293 Cells
标签	N-Flag
蛋白编号	NP_001726.2
别名	C5a, CPAMD4, ECLZB, C5b, C5D, Complement C5, complement component 5
蛋白构建	The Human C5 (NP_001726.2) (Gln19-Cys1676) was expressed with a flag tag at the N-terminus.
蛋白纯度	≥ 95 % as determined by SDS-PAGE
分子量	187.36 kDa (predicted)

内毒素	< 1.0 EU/μg of the protein as determined by the LAL method.
缓冲液	Lyophilized from a solution filtered through a 0.22 μm filter, containing 20 mM MOPS, 150 mM NaCl, 0.05% CHAPS, pH 7.0.Typically, a mixture containing 5% to 8% trehalose, mannitol, and 0.01% Tween 80 is incorporated as a protective agent before lyophilization.
复溶方法	A Certificate of Analysis (CoA) containing reconstitution instructions is included with the products. Please refer to the CoA for detailed information.
存储	It is recommended to store recombinant proteins at -20°C to -80°C for future use. Lyophilized powders can be stably stored for over 12 months, while liquid products can be stored for 6-12 months at-80℃. For reconstituted proteinsolutions, the solution can be stored at -20°c to -80'c for at least 3 months. Please avoid multiple freeze-thaw cycles and store products in aliquots.
运输方式	In general, Lyophilized powders are shipping with blue ice.
研究背景	C5a is a protein fragment released from complement component C5. This 74 amino acid peptide in humans is generated by the cleavage of C5a convertase on the C5 α-chain during the classical, alternative, and lectin pathways of complement activation. The structure of C5a includes a core region consisting of four, anti-parallel alpha-helices held together by three disulfide linkages and a structured C-terminal tail, and C5a is rapidly metabolised by carboxypeptidase B to a 73 amino acid low activity form, C5a des-Arg. C5a is an extremely potent proinflammatory mediator, as well as a potent chemotactic factor for neutrophils and other leukocytes. It causes histamine release, increases in vascular permeability, induces several cytokines production from leukocytes, enhances neutrophil-endothelial cell adhesion, and augments the humoral and cell-mediated immune response. C5a is quickly metabolised by carboxypeptidases, forming the less potent C5adesArg. Acting via a classical G protein-coupled receptor, CD88, C5a and C5adesArg exert a number of effects essential to the innate immune response, while their actions at the more recently discovered non-G protein-coupled receptor, C5L2 (or GPR77), remain unclear. The widespread expression of C5a receptors throughout the body allows C5a to elicit a broad range of effects. Thus, C5a has been found to be a significant pathogenic driver in a number of immuno-inflammatory diseases, making C5a inhibition an attractive therapeutic strategy. C5a is a strong chemoattractant and is involved in the recruitment of inflammatory cells such as neutrophils, eosinophils, monocytes, and T lymphocytes, in activation of phagocytic cells and release of granule-based enzymes and generation of oxidants, all of which may contribute to innate immune functions or tissue damage. Accordingly, the anaphylatoxin C5a is implicated in a variety of diseases such as rheumatoid arthritis, systemic lupus erythematosus, reperfusion injury, Alzheimer's disease, and sepsis.

参考文献

1. Guo RF, et al.. (2005) Role of C5a in inflammatory responses. Annu Rev Immunol. 23: 821-52. 2. Guo RF, et al. (2006) C5a, a therapeutic target in sepsis. Recent Pat Antiinfect Drug Discov. 1(1): 57-65. 3. Manthey HD, et al. (2009) Complement component 5a (C5a). Int J Biochem Cell Biol. 41(11): 2114-7.

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Keywords

Complement C5 Protein, Human, Recombinant (Flag) C5a CPAMD4 ECLZB CPAMD-4 C5b C5D Complement C5 complement component 5 CPAMD 4 recombinant recombinant-proteins proteins protein

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