2. Recombinant Proteins
  3. Complement System
  4. Complement Component 1
  5. C1q

C1q

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Cat. No. Product Name / Synonyms Species Source
  • HY-P71718
    C1QA Protein, Mouse (P.pastoris, His)

    C1qaComplement C1q subcomponent subunit A

    		Mouse P. pastoris
    The C1QA protein helps form C1, the starting component of the serum complement system. C1q binds to the zymogens C1r and C1s, resulting in C1 assembly. C1QA Protein, Mouse (P.pastoris, His) is the recombinant mouse-derived C1QA protein, expressed by P. pastoris , with N-6*His labeled tag. The total length of C1QA Protein, Mouse (P.pastoris, His) is 223 a.a., with molecular weight of ~25.6 kDa.
  • HY-P72108
    C1QA Protein, Mouse (His-SUMO)

    C1qaComplement C1q subcomponent subunit A

    		Mouse E. coli
    The C1QA protein helps form C1, the starting component of the serum complement system. C1q binds to the zymogens C1r and C1s, resulting in C1 assembly. C1QA Protein, Mouse (His-SUMO) is the recombinant mouse-derived C1QA protein, expressed by E. coli , with N-6*His, N-SUMO labeled tag. The total length of C1QA Protein, Mouse (His-SUMO) is 223 a.a., with molecular weight of ~39.6 kDa.
  • HY-P75464
    C1QB Protein, Human (sf9, His)

    Complement C1q subcomponent subunit B; C1QB

    		Human Sf9 insect cells
    C1QB protein plays a vital role in assembling C1, the initial component of the serum complement system. C1q associates with proenzymes C1r and C1s, leading to C1 assembly. The collagen-like regions of C1q interact with the Ca(2+)-dependent C1r(2)C1s(2) proenzyme complex. Efficient C1 activation occurs when the globular heads of C1q engage with Fc regions of IgG or IgM antibodies within immune complexes. Active C1 forms a calcium-dependent trimolecular complex (C1q, C1r, and C1s) in a 1:2:2 molar ratio, with C1q comprising nine subunits—six disulfide-linked dimers of A and B chains and three disulfide-linked dimers of the C chain. C1QB Protein, Human (sf9, His) is the recombinant human-derived C1QB protein, expressed by Sf9 insect cells, with C-His labeled tag. The total length of C1QB Protein, Human (sf9, His) is 226 a.a., with molecular weight of ~30 kDa.
Cat. No. Product Name Effect Purity