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Immunofluorescent analysis of p70S6K (pTpS421/424) was performed on 70% confluent log phase U-2 OS cells. The cells were fixed with 4% paraformaldehyde for 15 minutes, permeabilized with 0. 25% Triton™ X-100 for 10 minutes, and blocked with 5% BSA for 1 hour at room temperature. The cells were labeled with ABfinity™ p70S6K (pTpS421/424) recombinant rabbit oligoclonal antibody (Product # 710108) at a dilution of 1:200 in 1% BSA and incubated for 3 hours at room temperature and then labeled with Alexa Flour® 488 goat anti-rabbit IgG secondary antibody (Product # A11008) at a dilution of 1:400 for 30 minutes at room temperature (Panel a: green). Nuclei (Panel b: blue) were stained with SlowFade® Gold Antifade Mountant with DAPI (Product # S36938). F-actin (Panel c: red) was stained with Alexa Fluor® 594 phalloidin (Product # A12381) and Panel d is a merged image showing cytoplasmic localization respectively and panel e shows competition with the phospho-p70S6k (pTpS421/424) peptide. The images were captured using a Nikon microscope at 20X magnification.
|Tested species reactivity||Human|
|Host / Isotype||Rabbit / IgG|
|Immunogen||Phosphopeptide corresponding to amino acids 417–428 of human p70 S6K|
|Contains||0.09% sodium azide|
|Storage Conditions||Maintain refrigerated at 2-8°C for up to 1 month. For long term storage store at -20°C|
|Tested Applications||Dilution *|
|Western Blot (WB)||1:500-1:5000|
* Suggested working dilutions are given as a guide only. It is recommended that the user titrate the product for use in their own experiment using appropriate negative and positive controls.
ABfinity™ recombinant antibodies are rabbit monoclonal antibodies, unmatched for producing superior results. ABfinity™ antibodies are developed by immunizing animals, screening for functionality, cloning the immunogen-specific antibody genes into high-level mammalian expression vectors, produced on a large scale and purified with Protein A.
ABfinity™ oligoclonal antibodies comprise a selection of multiple different recombinant monoclonal antibodies, providing the best of both worlds—the sensitivity of a polyclonal antibody with the specificity of a monoclonal, all delivered with the consistency only found in a recombinant antibody. While functionally the same as a polyclonal antibody—recognizing multiple epitope sites on the target and producing higher detection sensitivity for low abundance targets when compared with monoclonal antibodies—an oligoclonal antibody has a known mixture of light and heavy chains. This exact population can be produced in every lot, circumventing the biological variability typically associated with polyclonal antibody production.
Intact IgG appears on a non-reducing gel as ~150 kDa band and upon reduction generating a ~25 kDa light chain band and a ~50 kDa heavy chain.
p70 Ribosomal Protein S6 Kinase (p70S6K) is a 70 kDa member of the ribosomal S6 kinase (RSK) family of serine/threonine kinases. It is predominantly localized in the cytoplasm, and is essential in growth factors regulated cell proliferation, pathways involving cell motility, such as metastases, the immune response, and tissue repair. p70S6K acts downstream of phosphoinositide (PI) 3-kinase, and its main physiological target is the S6 ribosomal protein, which is involved in upregulation of protein synthesis.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
alpha 1; alpha 2; p70 S6 kinase; p70 S6 kinase alpha; p70 S6 kinase, alpha; p70 S6K-alpha; p70 S6KA; p70-S6K 1; P70S6K1; ribosomal protein S6 kinase beta-1; ribosomal protein S6 kinase I; ribosomal protein S6 kinase, 70kDa, polypeptide 1; serine/threonine kinase 14 alpha; serine/threonine-protein kinase 14A
p70 S6KA; p70(S6K)-alpha; p70-alpha; p70-S6K; PS6K; RPS6KB1; S6K; S6K-beta-1; S6K1; STK14A