Abcam, ab275876, Anti-KRAS antibody [EPR23474-76]

Size: 100µL / 1mL
Anti-KRAS antibody [EPR23474-76] (ab275876) is a rabbit monoclonal antibody detecting KRAS in Western Blot, IP . Suitable for Human . - KO validated for confirmed specificity - Biophysical QC for unrivalled batch-batch consistency
Key facts
Host species:Rabbit,
Clonality:Monoclonal,
Clone number:EPR23474-76,
Isotype:IgG,
Carrier free:No,
Reacts with:Human,
Applications:IP, 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.,
Specificity:This antibody is not suitable for mouse or rat samples.

Product details:
What is this antibody validated in?
Anti-KRAS antibody [EPR23474-76] (ab275876) is a rabbit recombinant monoclonal antibody and is validated for use in Western Blot (WB), Immunoprecipitation (IP) in Human samples.
What is the molecular weight of KRAS?
Anti-KRAS [EPR23474-76] (ab275876) specifically detects a band for KRAS (UniProt: P01116) at a molecular weight of 22kDa.
Reviewed by scientists
Anti-KRAS [EPR23474-76] (ab275876) has over 5 independent reviews from customers.
Trial sizes available!
Test your antibody or perform pre-screening before committing to a larger quantity. Sold in 10µl.
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Specificity confirmed
The specificity of Anti-KRAS antibody [EPR23474-76] (ab275876) has been confirmed by Western blot testing in KRAS Knockout HCT 116 cell line,
ab276083
Other related products
We have a range of other formats of antibody clone [EPR23474-76] also available for your convenience: ab275876, Carrier free -
ab275885
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-Preservative: 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-Avoid freeze / thaw cycle

Supplementary Information:
This supplementary information is collated from multiple sources and compiled automatically.
The KRAS protein also known as Kirsten rat sarcoma viral oncogene homolog is a small GTPase weighing around 21 kDa. It plays an important role in cell signaling pathways and is widely expressed in various tissues. As a molecular switch KRAS cycles between an active GTP-bound state and an inactive GDP-bound state regulating cell proliferation differentiation and survival. KRAS mutations are often studied using various cell lines including the HCT116 line which is a human colorectal carcinoma cell line with a KRAS mutant background. Western blot analysis commonly helps in investigating KRAS protein expression and activity levels.
Biological function summary
KRAS influences many cellular processes. It is not part of a complex but acts alone within its pathways. It modulates signal transduction processes which are significant for the control of proliferation apoptosis and cell cycle progress. Mutations within this protein such as KRAS G12V and KRAS G12D lead to continuous activation and can cause uncontrolled cell growth which links them to various cancers. KRAS commonly interacts with proteins like RAF kinase and PI3K signaling components to execute its functions.
Pathways
KRAS is an important component in at least two important signaling pathways: the MAPK/ERK pathway and the PI3K/AKT pathway. These pathways play major roles in regulating gene expression that drives cell growth and division. In the MAPK/ERK pathway KRAS activates RAF which subsequently initiates a phosphorylation cascade that stimulates ERK. This protein also interacts with elements of the PI3K/AKT pathway influencing cellular survival and metabolism. These interactions position KRAS as a vital oncogene in cancer biology.
KRAS mutations are important in the development and progression of colorectal and pancreatic cancers. The persistence of active KRAS leads to continuous signaling that drives tumor growth and resistance to apoptosis. KRAS-associated cancers often show poor prognosis partly due to limited therapeutic options. Its interaction with proteins like EGFR (Epidermal Growth Factor Receptor) in various cancers highlights complex treatment challenges as these proteins can provide alternative signaling routes further complicating disease management.