• Product nameAnti-C2 antibody
    See all C2 primary antibodies
  • Description
    Rabbit polyclonal to C2
  • Tested applicationsSuitable for: IHC-P, WB, ICC/IFmore details
  • Species reactivity
    Reacts with: Human
    Predicted to work with: Chimpanzee, Gorilla, Orangutan
  • Immunogen

    Synthetic peptide conjugated to KLH derived from within residues 500 - 600 of Human C2.

    (Peptide available as ab94384.)

  • Positive control
    • This antibody gave a positive signal in Human Plasma Total Protein Preparation.


  • FormLiquid
  • Storage instructionsShipped at 4°C. Store at +4°C short term (1-2 weeks). Upon delivery aliquot. Store at -20°C or -80°C. Avoid freeze / thaw cycle.
  • Storage bufferPreservative: 0.02% Sodium Azide
    Constituents: 1% BSA, PBS, pH 7.4
  • Concentration information loading...
  • PurityImmunogen affinity purified
  • ClonalityPolyclonal
  • IsotypeIgG
  • Research areas

Associated products


Our Abpromise guarantee covers the use of ab77498 in the following tested applications.

The application notes include recommended starting dilutions; optimal dilutions/concentrations should be determined by the end user.

Application Abreviews Notes
IHC-P Use a concentration of 1 µg/ml.
WB Use a concentration of 1 µg/ml. Detects a band of approximately 105 kDa (predicted molecular weight: 83 kDa).
ICC/IF Use a concentration of 5 µg/ml.


  • FunctionComponent C2 which is part of the classical pathway of the complement system is cleaved by activated factor C1 into two fragments: C2b and C2a. C2a, a serine protease, then combines with complement factor 4b to generate the C3 or C5 convertase.
  • Involvement in diseaseDefects in C2 are the cause of complement component 2 deficiency (C2D) [MIM:217000]. A deficiency of the complement classical pathway associated with the development of autoimmune disorders, mainly systemic lupus erythematosus. Skin and joint manifestations are common and renal disease is relatively rare. Patients with complement component 2 deficiency are also reported to have recurrent or invasive infections.
  • Sequence similaritiesBelongs to the peptidase S1 family.
    Contains 1 peptidase S1 domain.
    Contains 3 Sushi (CCP/SCR) domains.
    Contains 1 VWFA domain.
  • Cellular localizationSecreted.
  • Information by UniProt
  • Database links
  • Alternative names
    • ARMD14 antibody
    • C2 antibody
    • C3/C5 convertase antibody
    • CO2 antibody
    • CO2_HUMAN antibody
    • Complement C2 antibody
    • Complement C2a fragment antibody
    • complement component 2 antibody
    • DKFZp779M0311 antibody
    see all

Anti-C2 antibody images

  • Anti-C2 antibody (ab77498) at 1 µg/ml + Human Plasma Total Protein Lysate at 10 µg

    Goat polyclonal to Rabbit IgG - H&L - Pre-Adsorbed (HRP) (ab65484) at 1/3000 dilution
    developed using the ECL technique

    Performed under reducing conditions.

    Predicted band size : 83 kDa
    Observed band size : 105 kDa (why is the actual band size different from the predicted?)
    Additional bands at : 28 kDa,55 kDa. We are unsure as to the identity of these extra bands.

    Exposure time : 20 minutes
  • ICC/IF image of ab77498 stained HeLa cells. The cells were 4% PFA fixed (10 min) and then incubated in 1%BSA / 10% normal Goat serum / 0.3M glycine in 0.1% PBS-Tween for 1h to permeabilise the cells and block non-specific protein-protein interactions. The cells were then incubated with the antibody (ab77498, 5µg/ml) overnight at +4°C. The secondary antibody (green) was Alexa Fluor® 488 Goat anti-Rabbit IgG (H+L) used at a 1/1000 dilution for 1h. Alexa Fluor® 594 WGA was used to label plasma membranes (red) at a 1/200 dilution for 1h. DAPI was used to stain the cell nuclei (blue) at a concentration of 1.43µM. This antibody also gave a positive result in 100% Methanol fixed (5 min) HeLa cells at 5µg/ml.

References for Anti-C2 antibody (ab77498)

ab77498 has not yet been referenced specifically in any publications.

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