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RSK2 (RPS6KA3) Antibody (N-term)

Purified Rabbit Polyclonal Antibody (Pab)

     
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  • 1 - RSK2 (RPS6KA3) Antibody (N-term) AP7943b
    All lanes : Anti-RSK3 Antibody (N-term) at 1:2000 dilution Lane 1: Hela whole cell lysate Lane 2: 293 whole cell lysate Lane 3: Ramos whole cell lysate Lysates/proteins at 20 µg per lane. Secondary Goat Anti-Rabbit IgG, (H+L), Peroxidase conjugated at 1/10000 dilution. Predicted band size : 84 kDa Blocking/Dilution buffer: 5% NFDM/TBST.
  • 14 - RSK2 (RPS6KA3) Antibody (N-term) AP7943b
    Formalin-fixed and paraffin-embedded human skeletal muscle tissue reacted with RSK3 antibody (N-term) (Cat.#AP7943b), which was peroxidase-conjugated to the secondary antibody, followed by DAB staining. This data demonstrates the use of this antibody for immunohistochemistry; clinical relevance has not been evaluated.
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Product info
Application
  • Applications Legend:
  • E=ELISA
  • WB=Western Blotting
  • IHC=Immunohistochemistry
  • IHC-P=Immunohistochemistry (Paraffin)
  • IP=Immunoprecipitation
  • IF=Immunofluorescence
  • IC=Immunochemistry
  • ICC=Immunocytochemistry
  • FC=Flow Cytometry
  • DB=Dot Blot
WB, IHC-P, E
Primary Accession P51812
Other Accession P18654
Reactivity Human
Host Rabbit
Clonality Polyclonal
Isotype Rabbit Ig
Calculated MW 83736 Da
Additional info
Gene ID 6197
Other Names Ribosomal protein S6 kinase alpha-3, S6K-alpha-3, 90 kDa ribosomal protein S6 kinase 3, p90-RSK 3, p90RSK3, Insulin-stimulated protein kinase 1, ISPK-1, MAP kinase-activated protein kinase 1b, MAPK-activated protein kinase 1b, MAPKAP kinase 1b, MAPKAPK-1b, Ribosomal S6 kinase 2, RSK-2, pp90RSK2, RPS6KA3, ISPK1, MAPKAPK1B, RSK2
Target/Specificity This RSK2 (RPS6KA3) antibody is generated from rabbits immunized with a KLH conjugated synthetic peptide between 13-42 amino acids from the N-terminal region of human RSK2 (RPS6KA3).
Dilution WB~~1:2000
IHC-P~~1:10~50
Format Purified polyclonal antibody supplied in PBS with 0.09% (W/V) sodium azide. This antibody is purified through a protein A column, eluted with high and low pH buffers and neutralized immediately, followed by dialysis against PBS.
StorageMaintain refrigerated at 2-8°C for up to 2 weeks. For long term storage store at -20°C in small aliquots to prevent freeze-thaw cycles.
PrecautionsRSK2 (RPS6KA3) Antibody (N-term) is for research use only and not for use in diagnostic or therapeutic procedures.
Protein Information
Name RPS6KA3
Synonyms ISPK1, MAPKAPK1B, RSK2
Function Serine/threonine-protein kinase that acts downstream of ERK (MAPK1/ERK2 and MAPK3/ERK1) signaling and mediates mitogenic and stress-induced activation of the transcription factors CREB1, ETV1/ER81 and NR4A1/NUR77, regulates translation through RPS6 and EIF4B phosphorylation, and mediates cellular proliferation, survival, and differentiation by modulating mTOR signaling and repressing pro-apoptotic function of BAD and DAPK1. In fibroblast, is required for EGF-stimulated phosphorylation of CREB1 and histone H3 at 'Ser-10', which results in the subsequent transcriptional activation of several immediate-early genes. In response to mitogenic stimulation (EGF and PMA), phosphorylates and activates NR4A1/NUR77 and ETV1/ER81 transcription factors and the cofactor CREBBP. Upon insulin-derived signal, acts indirectly on the transcription regulation of several genes by phosphorylating GSK3B at 'Ser-9' and inhibiting its activity. Phosphorylates RPS6 in response to serum or EGF via an mTOR- independent mechanism and promotes translation initiation by facilitating assembly of the preinitiation complex. In response to insulin, phosphorylates EIF4B, enhancing EIF4B affinity for the EIF3 complex and stimulating cap-dependent translation. Is involved in the mTOR nutrient-sensing pathway by directly phosphorylating TSC2 at 'Ser-1798', which potently inhibits TSC2 ability to suppress mTOR signaling, and mediates phosphorylation of RPTOR, which regulates mTORC1 activity and may promote rapamycin-sensitive signaling independently of the PI3K/AKT pathway. Mediates cell survival by phosphorylating the pro- apoptotic proteins BAD and DAPK1 and suppressing their pro- apoptotic function. Promotes the survival of hepatic stellate cells by phosphorylating CEBPB in response to the hepatotoxin carbon tetrachloride (CCl4). Is involved in cell cycle regulation by phosphorylating the CDK inhibitor CDKN1B, which promotes CDKN1B association with 14-3-3 proteins and prevents its translocation to the nucleus and inhibition of G1 progression. In LPS-stimulated dendritic cells, is involved in TLR4-induced macropinocytosis, and in myeloma cells, acts as effector of FGFR3-mediated transformation signaling, after direct phosphorylation at Tyr-529 by FGFR3. Negatively regulates EGF-induced MAPK1/3 phosphorylation via phosphorylation of SOS1. Phosphorylates SOS1 at 'Ser-1134' and 'Ser-1161' that create YWHAB and YWHAE binding sites and which contribute to the negative regulation of MAPK1/3 phosphorylation (By similarity). Phosphorylates EPHA2 at 'Ser-897', the RPS6KA- EPHA2 signaling pathway controls cell migration (PubMed:26158630).
Cellular Location Nucleus. Cytoplasm
Tissue Location Expressed in many tissues, highest levels in skeletal muscle
Research Areas

BACKGROUND

RSK3 is a member of the RSK (ribosomal S6 kinase) family of serine/threonine kinases. This kinase contains 2 non-identical kinase catalytic domains and phosphorylates various substrates, including members of the mitogen-activated kinase (MAPK) signalling pathway. The activity of this protein has been implicated in controlling cell growth and differentiation. Mutations in the gene have been associated with Coffin-Lowry syndrome (CLS).

REFERENCES

Yang, X., et al., Cell 117(3):387-398 (2004).
Guimiot, F., et al., Gene Expr. Patterns 4(1):111-114 (2004).
Zeniou, M., et al., (er) Nucleic Acids Res. 32(3):1214-1223 (2004).
Vaidyanathan, H., et al., J. Biol. Chem. 278(34):32367-32372 (2003).
Zhang, Y., et al., J. Biol. Chem. 278(15):12650-12659 (2003).

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