Abcam, ab108307, Anti-CD46 antibody [EPR4014]

Size: 100µL / 1mL
Anti-CD46 antibody [EPR4014] (ab108307) is a rabbit monoclonal antibody detecting CD46 in Western Blot, IHC-P . Suitable for Human . - KO validated for confirmed specificity - Biophysical QC for unrivalled batch-batch consistency - Over 10 publications
Key facts
Host species:Rabbit,
Clonality:Monoclonal,
Clone number:EPR4014,
Isotype:IgG,
Carrier free:No,
Reacts with:Human,
Applications:IHC-P, WBSee reactivity dataSee the reactivity data table below for information on validated species and application combinations.,
Immunogen:The exact immunogen used to generate this antibody is proprietary information.

Product details:
What is this antibody validated in?
Anti-CD46 antibody [EPR4014] (ab108307) is a rabbit recombinant monoclonal antibody and is validated for use in Western Blot (WB), Immunohistochemistry (IHC-P) in Human samples.
What is the molecular weight of CD46?
Anti-CD46 [EPR4014] (ab108307) specifically detects a band for CD46 (UniProt: P15529) at a molecular weight of 44kDa.
Trusted by the scientific community
Anti-CD46 [EPR4014] (ab108307) was first used in a scientific publication in 2011 and has been cited over 10 times in peer-reviewed journals.
Trial sizes available!
Test your antibody or perform pre-screening before committing to a larger quantity. Sold in 10µl.
Discover our selection of trial-size antibodies
Specificity confirmed
The specificity of Anti-CD46 antibody [EPR4014] (ab108307) has been confirmed by Western blot testing in CD46 Knockout HAP1 cells.
Other related products
We have a range of other formats of antibody clone [EPR4014] also available for your convenience: ab108307, Carrier free -
ab229446
, Carrier free -
ab271871
Species reactivity
Mouse, Rat: We have preliminary internal testing data to indicate this antibody may not react with these species.
Please
contact us
for more information.
Patented technology
Our RabMAb
technology is a patented hybridoma-based technology for making rabbit monoclonal antibodies. For details on our patents, please refer to
RabMAb® patents
What are the advantages of a recombinant monoclonal antibody?
This product is a recombinant monoclonal antibody, which offers several advantages including:
- High batch-to-batch consistency and reproducibility
- Improved sensitivity and specificity
- Long-term security of supply
- Animal-free batch production
For more information, read more on
recombinant antibodies

Properties and Storage Information:
Form-Liquid, Purification technique-Affinity purification Protein A, Storage buffer-pH: 7.2 - 7.4Preservative: 0.01% Sodium azideConstituents: PBS, 40% Glycerol (glycerin, glycerine), 0.05% BSA, Shipped at conditions-Blue Ice, Appropriate short-term storage duration-1-2 weeks, Appropriate short-term storage conditions-+4°C, Appropriate long-term storage conditions--20°C, Aliquoting information-Upon delivery aliquot, Storage information-Stable for 12 months at -20°C

Supplementary Information:
This supplementary information is collated from multiple sources and compiled automatically.
CD46 also known as membrane cofactor protein (MCP) is a type I membrane protein with a molecular weight around 50-70 kDa due to glycosylation variability. This protein serves as a regulatory component in the complement system which protects host cells from damage by complement components. CD46 is widely expressed on almost all nucleated human cells. It plays a role in inactivating C3b and C4b components of the complement cascade preventing autologous complement-mediated damage. The gene coding for CD46 is located on chromosome 1q32 a region known for encoding several complement regulatory proteins.
Biological function summary
Beyond its complement regulatory role CD46 acts in immune response modulation and reproduction. It forms a part of a protein complex that involves members such as decay-accelerating factor and complement receptor 1. CD46 also engages in intracellular signaling that affects T cell function and differentiation. In the reproductive context it participates in sperm-oocyte fusion and has a role in trophoblast fusion during placental formation.
Pathways
CD46 integrates into various signaling pathways including the complement and T cell receptor signaling pathways. In the complement pathway CD46 interacts with C3b and factor I promoting cleavage and inactivation of C3b leading to pathway regulation. Involvement in the T cell receptor pathway hints that CD46 signaling protects against overactive immune responses by promoting a switch to a regulatory T cell phenotype which can modulate immunity and prevent autoimmunity.
CD46 has connections with autoimmune conditions and infectious diseases. For instance alterations in CD46 expression or function can contribute to atypical hemolytic uremic syndrome where dysregulation of the complement pathway occurs. Additionally certain pathogens like Neisseria gonorrhoeae utilize CD46 as a receptor for infection. CD46's interaction with proteins such as C3b connects it directly to complement-related conditions highlighting its importance in maintaining immune system balance.