Key Product Details

Species Reactivity

Mouse

Applications

Western Blot

Label

Unconjugated

Antibody Source

Monoclonal Rat IgG2A Clone # 870332
View all Complement Component C1ra Primary Antibodies »

Product Specifications

Immunogen

Mouse myeloma cell line NS0-derived recombinant mouse Complement Component C1ra
Ser17-Asn707
Accession # Q8CG16

Specificity

Detects mouse Complement Component C1ra in ELISAs. In direct ELISAs, no cross-reactivity with recombinant human C1ra is observed.

Clonality

Monoclonal

Host

Rat

Isotype

IgG2A

Scientific Data Images for Mouse Complement Component C1ra Antibody

Detection of Mouse Complement Component C1ra antibody by Western Blot.

Detection of Mouse Complement Component C1ra by Western Blot.

Western blot shows mouse serum. PVDF membrane was probed with 1 µg/mL of Rat Anti-Mouse Complement Component C1ra Monoclonal Antibody (Catalog # MAB7160) followed by HRP-conjugated Anti-Rat IgG Secondary Antibody (Catalog # HAF005). A specific band was detected for Complement Component C1ra at approximately 95 kDa (as indicated). IgG heavy and light chains also prominently detected due to the serum sample. This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.

Applications for Mouse Complement Component C1ra Antibody

Application
Recommended Usage

Western Blot

1 µg/mL
Sample: Mouse serum

Formulation, Preparation, and Storage

Purification

Protein A or G purified from hybridoma culture supernatant

Reconstitution

Sterile PBS to a final concentration of 0.5 mg/mL. For liquid material, refer to CoA for concentration.

Formulation

Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS.

Shipping

Lyophilized product is shipped at ambient temperature. Liquid small pack size (-SP) is shipped with polar packs. Upon receipt, store immediately at the temperature recommended below.

Stability & Storage

Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 12 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 6 months, -20 to -70 °C under sterile conditions after reconstitution.

Calculators

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.

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Background: Complement Component C1ra

C1ra (complement component 1 subcomponent r-A) is an 85-95 kDa member of the peptidase S1 family of enzymes. It is secreted primarily by hepatocytes but is also known to be expressed by monocytes, fibroblasts, keratinocytes and endothelial cells. C1r forms a key component of the complement 1 complex. Complement is a general name for a group of molecules that "complement" the antimicrobial effort associated with antibodies and phagocytic cells. The C1 complex is composed of five proteins; one C1q that binds immunoglobulin, and two copies of two inactive serine proteases termed C1r and C1s. Activation of the C1 complex is the first step in a proteolytic cascade that generates multiple modulators involved in cell lysis and phagocytosis. Following C1q binding, each 85-90 kDa C1r monomer undergoes autocleavage to generate a 60 kDa and 28-34 kDa disulfide‑linked enzymatically-active heterodimer. Each C1r heterodimer now acts on a C1s counterpart to create a globally-active complex that drives the complement cascade. In contrast to human, the mouse genes for C1r and C1s have undergone duplication. The major, or liver derived, C1r is termed C1ra, while a prostate-associated C1r is called C1rB. Mouse C1ra proenzyme is 691 amino acids (aa) in length (aa 17-707). It contains one CUB domain (aa 17-140), an EGF-like motif (aa 141-189), a second CUB domain (aa 192-303), two SUSHI (or CCP) repeats (aa 306-448), and a C-terminal peptidase S1 region (aa 463-704). Autocleavage occurs between Arg462:Ile463, generating a 60 kDa N-terminal subunit that is disulfide‑linked to a 30 kDa enzymatic subunit. Over aa 17-707, mouse C1ra shares 91% and 82% aa sequence identity with rat and human C1r, respectively. Full-length mouse C1ra shares 96% aa sequence identity with mouse C1rB, with virtually all differences arising in the enzymatic, or small subunit.

Alternate Names

C1ra

Entrez Gene IDs

50909 (Mouse)

Gene Symbol

C1RA

UniProt

Q8CG16

Additional Complement Component C1ra Products

Product Documents for Mouse Complement Component C1ra Antibody

Certificate of Analysis

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Product Specific Notices for Mouse Complement Component C1ra Antibody

For research use only

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