Abcam, ab32043, Anti-STAT5a antibody [E289]

Size: 20µL / 100µL / 1mL
Anti-STAT5a antibody [E289] (ab32043) is a rabbit monoclonal antibody detecting STAT5a in Western Blot, Flow Cytometry (Intra), Flow Cytometry, IP, IHC-P, ICC/IF . Suitable for Human, Mouse, Rat . - Biophysical QC for unrivalled batch-batch consistency - Over 30 publications - Trusted since 2006
Key facts
Host species:Rabbit,
Clonality:Monoclonal,
Clone number:E289,
Isotype:IgG,
Carrier free:No,
Reacts with:Mouse, Rat, Human,
Applications:IHC-P, Flow Cyt (Intra), WB, ICC/IF, IPSee 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:The antibody recognises Stat5a. It does not cross-react with other Stat family members.The mouse and rat recommendation is based on the WB results. We do not guarantee IHC-P for mouse and rat.

Product details:
What is this antibody validated in?
Anti-STAT5a antibody [E289] (ab32043) is a rabbit recombinant monoclonal antibody and is validated for use in Western Blot (WB), Flow Cytometry (Intra), Flow Cytometry (Flow Cyt), Immunoprecipitation (IP), Immunohistochemistry (IHC-P), Immunocytochemistry/immunofluorescence (ICC/IF) in Human, Mouse, Rat samples.
What is the molecular weight of STAT5a?
Anti-STAT5a [E289] (ab32043) specifically detects a band for STAT5a (UniProt: P42229) at a molecular weight of 91kDa.
Trusted by the scientific community
Anti-STAT5a [E289] (ab32043) was first used in a scientific publication in 2006 and has been cited over 30 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
Other related products
We have a range of other formats of antibody clone [E289] also available for your convenience: ab32043, Alexa Fluor® 647 -
ab194309
, PE -
ab211686
, Carrier free -
ab213219
, Alexa Fluor® 594 -
ab214839
, Alexa Fluor® 555 -
ab279325
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.
STAT5a also known as Signal Transducer and Activator of Transcription 5A acts as a transcription factor in the cell. STAT5a weighs approximately 90 kDa and expresses in various tissues including the liver muscle and hematopoietic cells. It plays a central role in mediating cellular responses to cytokines and growth factors particularly those in the interleukin-2 (IL-2) family and growth hormone (GH).
Biological function summary
Many systems use STAT5a to regulate cell proliferation differentiation and survival. It often forms a complex with other proteins like STAT5b which is a closely related counterpart and both contribute to similar cellular processes. STAT5a can dimerize upon activation allowing it to move to the cell nucleus to influence gene expression directly.
Pathways
Researchers place STAT5a prominently in the JAK-STAT signaling pathway. This pathway is essential for transmitting information received from extracellular chemical signals to the cell nucleus resulting in the activation of genes controlling cellular functions. STAT5a works together with Janus kinases (JAKs) to mediate various biological responses including hormone signaling and immune function. It also interacts with proteins like IL-2 receptor subunits which are involved in many cytokine-driven processes.
Disturbances in STAT5a activity link specifically with conditions like leukemia and breast cancer. Overactivation or mutation can lead to uncontrolled cell growth and survival contributing to these diseases. In leukemia STAT5a frequently partners with other proteins like BCR-ABL which is known for its role in chronic myeloid leukemia influencing oncogenic pathways. In breast cancer alterations in STAT5a signaling may interact with estrogen and progesterone receptors affecting tumor progression and response to therapies.