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人 C2 / Complement Component 2 蛋白 (Fc 标签)

产品数据评论实验方法
反应性: Human  
应用 : ELISA  
    10154-R002-50
    10154-R002-100
    50 µg 
    100 µg 
    Add to Cart
    反应性: Human  
    应用 : 
      10154-MM06-50
      10154-MM06-200
      10154-MM06-100
      10154-MM06-1
      50 µg 
      200 µg 
      100 µg 
      1 mg 
      Add to Cart
      反应性: Human  
      应用 : 
        10154-R014-50
        10154-R014-100
        10154-R014-1
        50 µg 
        100 µg 
        1 mg 
        Add to Cart

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        Complement Component C2 protein 研究背景

        Complement component C2 is part of the classical complement pathway which plays a major role in innate immunity against infection. C2 is a glycoprotein synthesized in liver hepatocytes and several other cell types in extrahepatic tissues. This pathway is triggered by a multimolecular complex C1, and subsequently the single-chain form of C2 is cleaved into two chains referred to C2a and C2b by activated C1. The second component of complement (C2) is a multi-domain serine protease that provides catalytic activity for the C3 and C5 convertases of the classical and lectin pathways of human complement. C4b and C2 was investigated by surface plasmon resonance. C2a containing a serine protease domain combines with complement component C4b to form the C3 convertase C4b2a which is responsible for C3 activation, and leads to the stimulation of adaptive immune responses via Lectin pathway. C2 bound to C4b is cleaved by classical (C1s) or lectin (MASP2) proteases to produce C4bC2a. C2 has the same serine protease domain as C4bC2a but in an inactive zymogen-like conformation, requiring cofactor-induced conformational change for activity. Deficiency of C2 (C2D) is the most common genetic deficiency of the complement system, and two types of C2D have been recognized in the context of specific MHC haplotypes. C2D in human is reported to increase susceptibility to infection, and is associated with certain autoimmune diseases, such as rheumatological disorders.

         Complement Component C2 protein 参考资料
      • Laich A, et al. (2002) Complement C4bC2 complex formation: an investigation by surface plasmon resonance. Biochim Biophys Acta. 1544(1-2): 96-112.
      • Halili MA, et al. (2009) Complement component C2, inhibiting a latent serine protease in the classical pathway of complement activation. Biochemistry. 48(35): 8466-72.
      • Krishnan V, et al. (2009) The structure of C2b, a fragment of complement component C2 produced during C3 convertase formation. Acta Crystallogr D Biol Crystallogr. 65(Pt 3): 266-74.
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