Rabbit Polyclonal STAT5b phospho S731 antibody. Suitable for WB, IHC-P, ICC/IF and reacts with Mouse, Human samples. Cited in 8 publications. Immunogen corresponding to Synthetic Peptide within Human STAT5B phospho S731 aa 650-750.
pH: 7.4
Preservative: 0.02% Sodium azide
Constituents: PBS, 50% Glycerol (glycerin, glycerine), 0.87% Sodium chloride
WB | IHC-P | ICC/IF | |
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Human | Expected | Tested | Tested |
Mouse | Tested | Expected | Expected |
Species | Dilution info | Notes |
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Species Mouse | Dilution info 1/500 - 1/1000 | Notes - |
Species | Dilution info | Notes |
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Species Human | Dilution info Use at an assay dependent concentration. | Notes - |
Species | Dilution info | Notes |
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Species Human | Dilution info - | Notes - |
Species | Dilution info | Notes |
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Species Mouse | Dilution info Use at an assay dependent concentration. | Notes - |
Species | Dilution info | Notes |
---|---|---|
Species Human | Dilution info 1-5 µg/mL | Notes - |
Species | Dilution info | Notes |
---|---|---|
Species Mouse | Dilution info Use at an assay dependent concentration. | Notes - |
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Carries out a dual function: signal transduction and activation of transcription (PubMed:29844444). Mediates cellular responses to the cytokine KITLG/SCF and other growth factors. Binds to the GAS element and activates PRL-induced transcription. Positively regulates hematopoietic/erythroid differentiation.
Signal transducer and activator of transcription 5B, STAT5B
Rabbit Polyclonal STAT5b phospho S731 antibody. Suitable for WB, IHC-P, ICC/IF and reacts with Mouse, Human samples. Cited in 8 publications. Immunogen corresponding to Synthetic Peptide within Human STAT5B phospho S731 aa 650-750.
pH: 7.4
Preservative: 0.02% Sodium azide
Constituents: PBS, 50% Glycerol (glycerin, glycerine), 0.87% Sodium chloride
ab52211 detects endogenous levels of STAT5B but only when phosphorylated at serine 731 (human) or serine 730 (mouse and rat).
STAT5b also known as Signal Transducer and Activator of Transcription 5B is a 92-kDa protein involved in signaling processes within the cell. Mechanically it functions as a transcription factor and shuttles between the cytoplasm and nucleus modulating gene expression according to extracellular signals. Upon cytokine binding STAT5b undergoes phosphorylation allowing it to form dimers and translocate to the nucleus. It is expressed in many tissues including the liver immune cells and mammary glands reflecting its role in diverse physiological processes.
STAT5b plays an important role in regulating cell growth differentiation and apoptosis. It often acts as part of the STAT protein family binding to specific DNA sequences to activate transcription. STAT5b particularly influences immune function and hematopoiesis driving proliferation and differentiation of lymphoid and myeloid cells. Its activity affects glucose homeostasis growth hormone signaling and lactation highlighting its importance in various physiological states and developmental processes.
STAT5b integrates into the JAK-STAT signaling pathway a critical route for conveying extracellular information to the nucleus. This pathway includes JAK kinases which activate STAT5b by phosphorylation upon cytokine-receptor engagement. STAT5b also participates in the growth hormone pathway interacting with proteins such as Growth Hormone Receptor and other STAT family members like STAT3. Through these interactions STAT5b helps regulate gene expression associated with growth and differentiation in response to hormonal signals.
STAT5b links to several conditions such as growth hormone insensitivity and leukemia. In growth disorders defects in STAT5b can impair normal growth hormone signal transduction often involving interplay with proteins like the Growth Hormone Receptor. In leukemias aberrant activation or expression of STAT5b contributes to uncontrolled cellular proliferation often accompanied by deregulation of the JAK-STAT pathway. Research into STAT5b offers insights into potential therapeutic targets for these and other related conditions.
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This species and application combination has not been tested, but we predict it will work based on strong homology. However, this combination is not covered by our product promise.
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All lanes: Western blot - Anti-STAT5b (phospho S731) antibody (ab52211) at 1/500 dilution
Lane 1: Extracts from RAW264.7 cells treated with EGF (200ng/ml, 30min)
Lane 2: Extracts from RAW264.7 cells treated with EGF (200ng/ml, 30min), ab52211 was pre-incubated with immunising (blocking) peptide
Predicted band size: 89 kDa
Paraffin-embedded human breast carcinoma tissue stained for STAT5b (phospho S731), using ab52211 (1/100). The right hand panel represents a negative control where ab52211 was pre-incubated with the immunising (blocking) peptide.
ICC/IF image of ab52211 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 (ab52211, 1µg/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.
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