Anti-Complement C1R HC Antibody
Rabbit polyclonal antibody to Complement C1R HC
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Application ![]()
| WB |
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Primary Accession | P00736 |
Reactivity | Human, Mouse, Rat |
Host | Rabbit |
Clonality | Polyclonal |
Calculated MW | 80119 Da |
Gene ID | 715 |
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Other Names | Complement C1r subcomponent; Complement component 1 subcomponent r |
Target/Specificity | Recognizes endogenous levels of Complement C1R HC protein. |
Dilution | WB~~WB (1/500 - 1/1000) |
Format | Liquid in 0.42% Potassium phosphate, 0.87% Sodium chloride, pH 7.3, 30% glycerol, and 0.09% (W/V) sodium azide. |
Storage | Store at -20 °C.Stable for 12 months from date of receipt |
Name | C1R {ECO:0000303|PubMed:3021205, ECO:0000312|HGNC:HGNC:1246} |
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Function | Serine protease component of the complement C1 complex, a multiprotein complex that initiates the classical pathway of the complement system, a cascade of proteins that leads to phagocytosis and breakdown of pathogens and signaling that strengthens the adaptive immune system (PubMed:17996945, PubMed:19473974, PubMed:29449492). C1R catalyzes the first enzymatic step in the classical complement pathway: it is activated by the C1Q subcomplex of the C1 complex, which associates with IgG or IgM immunoglobulins complexed with antigens to form antigen-antibody complexes on the surface of pathogens (PubMed:29449492, PubMed:34155115). Immunoglobulin-binding promotes the autocatalytic cleavage and activation of C1R (PubMed:11445589, PubMed:11673533, PubMed:17996945, PubMed:20178990, PubMed:6254570, PubMed:6271784). Activated C1R then cleaves and activates C1S, the second protease of the classical complement pathway (PubMed:11445589, PubMed:11673533, PubMed:6271784). It is unclear if C1R activates C1S within single, strained C1 complexes or between neighboring C1 complexes on surfaces (PubMed:28104818, PubMed:29311313, PubMed:29449492). |
Cellular Location | Secreted. Cell surface. Note=Recruited to the surface of pathogens by the C1Q subcomplex. |
Research Areas
For Research Use Only. Not For Use In Diagnostic Procedures.
Application Protocols
Provided below are standard protocols that you may find useful for product applications.
BACKGROUND
KLH-conjugated synthetic peptide encompassing a sequence within the center region of human Complement C1R HC. The exact sequence is proprietary.

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¥ 1,500.00
Cat# AP61043