• Thumbnail for Complement component 2
    the Complement system and the Complement component 2 protein attaches to Complement system 4 resulting in an immune response. Complement component 2 protein...
    16 KB (2,068 words) - 16:58, 16 July 2025
  • Thumbnail for Complement component 1q
    The complement component 1q (or simply C1q) is a protein complex involved in the complement system, which is part of the innate immune system. C1q together...
    7 KB (691 words) - 05:28, 19 July 2025
  • Thumbnail for Complement component 5
    Complement component 5 is a protein that in humans is encoded by the C5 gene. Complement component 5 is involved in the complement system. It is cleaved...
    9 KB (1,114 words) - 04:01, 15 July 2025
  • Complement component 4 (C4), in humans, is a protein involved in the intricate complement system, originating from the human leukocyte antigen (HLA) system...
    35 KB (4,189 words) - 16:09, 17 July 2025
  • Thumbnail for Complement component 5a
    cleavage of complement component C5 by protease C5-convertase into C5a and C5b fragments. C5b is important in late events of the complement cascade, an...
    15 KB (1,654 words) - 17:04, 22 July 2025
  • Thumbnail for Complement component 1r
    with C1q and C1s form the C1 complex, which is the first component of the serum complement system. C1r is an enzyme that activates C1s to its active...
    10 KB (1,273 words) - 20:03, 12 May 2024
  • Thumbnail for Complement component 1s
    Complement component 1s (EC 3.4.21.42, C1 esterase, activated complement C1s, complement C overbar 1r, C1s) is a protein involved in the complement system...
    10 KB (1,195 words) - 16:58, 16 July 2025
  • Thumbnail for Complement 2 deficiency
    Complement 2 deficiency is a type of complement deficiency caused by any one of several different alterations in the structure of complement component...
    11 KB (913 words) - 19:31, 17 July 2025
  • Thumbnail for Complement system
    component of fresh serum. Ehrlich, therefore, named this heat-labile component "complement," because it is something in the blood that "complements"...
    43 KB (5,123 words) - 00:05, 4 August 2025
  • Thumbnail for Complement component 6
    Complement component 6 is a protein that in humans is encoded by the C6 gene. Complement component 6 is a protein involved in the complement system. It...
    7 KB (910 words) - 04:01, 15 July 2025
  • Thumbnail for Macular degeneration
    location 10q26 Complement Factor B/Complement Component 2 (CFB/CC2) on chromosome 6 at 6p21.3[citation needed] Polymorphisms in genes for complement system proteins:...
    91 KB (9,880 words) - 23:19, 2 August 2025
  • Thumbnail for Complement component 4B
    Complement component 4B (Chido blood group) is a kind of the Complement component 4 protein that in humans is encoded by the C4B gene. This gene encodes...
    8 KB (1,049 words) - 05:28, 19 July 2025
  • C2 (redirect from C-2)
    2, the axis, one of the cervical vertebrae of the vertebral column Cervical spinal nerve 2 Chlorophyll c2, a form of chlorophyll Complement component...
    6 KB (919 words) - 21:45, 27 July 2025
  • Thumbnail for Complement factor B
    Complement factor B is a protein that in humans is encoded by the CFB gene. This gene encodes complement factor B, a component of the alternative pathway...
    9 KB (1,095 words) - 16:58, 16 July 2025
  • Thumbnail for Complement receptor 2
    Complement receptor type 2 (CR2), also known as complement C3d receptor, Epstein–Barr virus receptor, and CD21 (cluster of differentiation 21), is a protein...
    14 KB (1,829 words) - 05:28, 19 July 2025
  • Thumbnail for Lupus
    Complement component 1qA, Complement component 1qB, Complement component 1r, Complement component 1s, Complement component 2, Complement component 3...
    139 KB (15,065 words) - 06:24, 19 July 2025
  • Thumbnail for List of autoimmune diseases
    (2022-07-07). "Insights Into the Pathogenesis of Bullous Pemphigoid: The Role of Complement-Independent Mechanisms". Frontiers in Immunology. 13. Frontiers Media...
    95 KB (6,094 words) - 06:44, 15 July 2025
  • variable immunodeficiency Compartment syndrome Complement component 2 deficiency Complement component receptor 1 Complete atrioventricular canal Complex...
    40 KB (3,657 words) - 03:02, 17 August 2024
  • Thumbnail for C8 complex
    Complement component 8 is a protein involved in the complement system. It is part of the membrane attack complex (MAC). A hereditary deficiency of C8 can...
    2 KB (128 words) - 04:29, 14 March 2022
  • Thumbnail for Classical complement pathway
    classical complement pathway is one of three pathways which activate the complement system, which is part of the immune system. The classical complement pathway...
    16 KB (1,885 words) - 20:22, 29 May 2025
  • Thumbnail for Alternative complement pathway
    alternative pathway is a type of cascade reaction of the complement system and is a component of the innate immune system, a natural defense against infections...
    7 KB (865 words) - 03:25, 26 May 2025
  • Complement component 1qA, Complement component 1qB, Complement component 1r, Complement component 1s, Complement component 2, Complement component 3...
    84 KB (10,378 words) - 16:19, 9 June 2025
  • Thumbnail for Complement membrane attack complex
    cells, leading to cell lysis and death. The MAC is composed of the complement components C5b, C6, C7, C8 and several C9 molecules. A number of proteins participate...
    9 KB (1,147 words) - 05:28, 19 July 2025
  • C1 complex (category Complement system)
    complex (complement component 1, C1) is a protein complex involved in the complement system. It is the first component of the classical complement pathway...
    4 KB (390 words) - 16:45, 16 July 2025
  • Thumbnail for Acquired C1 esterase inhibitor deficiency
    proteins in the complement cascade are activated, including complement component 2 (C2), complement component 3 (C3), and complement component 4 (C4). When...
    22 KB (2,252 words) - 04:59, 19 July 2025
  • Thumbnail for Complement 3 deficiency
    Complement 3 deficiency is a genetic condition affecting complement component 3 (C3). People can suffer from either primary or secondary C3 deficiency...
    8 KB (828 words) - 23:36, 24 September 2024
  • Thumbnail for Anaphylatoxin
    Anaphylatoxin (category Complement system)
    or complement peptides, are fragments (C3a, C4a and C5a) that are produced as part of the activation of the complement system. Complement components C3...
    6 KB (607 words) - 09:55, 22 May 2025
  • Complement control proteins are proteins that interact with components of the complement system. The complement system is tightly regulated by a network...
    16 KB (1,942 words) - 11:10, 25 May 2025
  • express complement receptors on their surface. All four complement receptors can bind to fragments of complement component 3 or complement component 4 coated...
    6 KB (380 words) - 05:28, 19 July 2025
  • Thumbnail for C5AR2
    Complement component 5a receptor 2 is a protein of the complement system that in humans is encoded by the C5AR2 gene. It is highly expressed in the blood...
    8 KB (843 words) - 04:37, 26 May 2025