Abcam, ab52939, Anti-Ras antibody [EP1125Y]

Size: 20µL / 100µL / 1mL
Anti-Ras antibody [EP1125Y] (ab52939) is a rabbit monoclonal antibody detecting Ras in Western Blot, Flow Cytometry (Intra), Flow Cytometry, IP, ICC/IF . Suitable for Human, Mouse, Rat . - Biophysical QC for unrivalled batch-batch consistency - Over 70 publications - Trusted since 2007
Key facts
Host species:Rabbit,
Clonality:Monoclonal,
Clone number:EP1125Y,
Isotype:IgG,
Carrier free:No,
Reacts with:Mouse, Rat, Human,
Applications:WB, Flow Cyt (Intra), IP, ICC/IFSee 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 predicted to react with H-Ras, N-Ras and K-Ras.

Product details:
What is this antibody validated in?
Anti-Ras antibody [EP1125Y] (ab52939) is a rabbit recombinant monoclonal antibody and is validated for use in Western Blot (WB), Flow Cytometry (Intra), Flow Cytometry (Flow Cyt), Immunoprecipitation (IP), Immunocytochemistry/immunofluorescence (ICC/IF) in Human, Mouse, Rat samples.
What is the molecular weight of Ras?
Anti-Ras [EP1125Y] (ab52939) specifically detects a band for Ras (UniProt: P01111) at a molecular weight of 21kDa.
Trusted by the scientific community
Anti-Ras [EP1125Y] (ab52939) was first used in a scientific publication in 2007 and has been cited over 70 times in peer-reviewed journals.
Reviewed by scientists
Anti-Ras [EP1125Y] (ab52939) has over 10 independent reviews from customers.
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
Other related products
We have a range of other formats of antibody clone [EP1125Y] also available for your convenience: ab52939, Carrier free -
ab140261
, Carrier free -
ab271848
, Alexa Fluor® 488 -
ab308532
, APC -
ab310872
, PE -
ab310934
, Alexa Fluor® 647 -
ab311097
, Alexa Fluor® 594 -
ab311711
, Alexa Fluor® 568 -
ab312986
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-Avoid freeze / thaw cycle

Supplementary Information:
This supplementary information is collated from multiple sources and compiled automatically.
The Ras protein also known by its alternate names such as KRAS NRAS and HRAS functions as a small GTPase which is a type of enzyme that binds to guanosine triphosphate (GTP) and can switch to an inactive form when it hydrolyzes GTP to GDP. Ras proteins are encoded by genes located in different chromosomes and typically have a molecular weight of about 21 kDa. These proteins are expressed in various tissues throughout the body where they play key roles in cellular signaling.
Biological function summary
Ras proteins are pivotal in regulating cell proliferation differentiation and survival. They are often part of larger protein complexes that facilitate signal transduction across cell membranes. These proteins function as binary molecular switches toggling between active (GTP-bound) and inactive (GDP-bound) states. Mutations in Ras proteins such as NRAS Q61R can lead the protein to assume permanently active conformations disrupting normal cellular signaling processes and contributing to oncogenesis.
Pathways
Ras proteins play significant roles in the MAPK/ERK and PI3K/AKT signaling pathways. Their activation leads to a cascade of phosphorylation events that ultimately regulate gene expression. Within these pathways Ras proteins interact with various molecules including RAF kinases and the PI3K protein further illustrating their complex roles in signal propagation. These pathways control many cellular processes including growth differentiation and survival illustrating how Ras proteins integrate multiple signals to modulate cellular outcomes.
Ras proteins are frequently implicated in various cancers notably pancreatic and colorectal cancers. Mutated forms of Ras such as KRAS G12V drive oncogenesis by promoting uncontrolled cell growth and division. In cancer pathology Ras often interacts with tumor suppressor proteins influencing the disease progression. Targeting Ras-mediated signaling pathways using approaches like pan-Ras inhibitors or chemiluminescence ELISAs represents an ongoing area of therapeutic research aimed at combating Ras-driven malignancies.