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PAK4 Antibody

     
  • WB - PAK4 Antibody ASC10183
    Western blot analysis of PAK4 in SW480 lysate with PAK4 antibody at (A) 1 and (B) 2 µg/mL.
    detail
  • IHC - PAK4 Antibody ASC10183
    Immunohistochemistry of PAK4 in human colon tissue with PAK4 antibody at 10 µg/mL.
    detail
  • IF - PAK4 Antibody ASC10183
    Immunofluorescence of PAK4 in Human Colon tissue with PAK4 antibody at 20 µg/mL.
    detail
  • SPECIFICATION
  • CITATIONS
  • PROTOCOLS
  • BACKGROUND
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Product Information
Application
  • Applications Legend:
  • WB=Western Blot
  • IHC=Immunohistochemistry
  • IHC-P=Immunohistochemistry (Paraffin-embedded Sections)
  • IHC-F=Immunohistochemistry (Frozen Sections)
  • IF=Immunofluorescence
  • FC=Flow Cytopmetry
  • IC=Immunochemistry
  • ICC=Immunocytochemistry
  • E=ELISA
  • IP=Immunoprecipitation
  • DB=Dot Blot
  • CHIP=Chromatin Immunoprecipitation
  • FA=Fluorescence Assay
  • IEM=Immuno electron microscopy
  • EIA=Enzyme Immunoassay
WB, IHC-P, IF, E
Primary Accession O96013
Other Accession NP_005875, 5031975
Reactivity Human
Host Rabbit
Clonality Polyclonal
Isotype IgG
Calculated MW Predicted: 65 kDa

Observed: 70 kDa
Application Notes PAK4 antibody can be used for the detection of PAK4 by Western blot at 1 - 2 µg/mL. Antibody can also be used for immunohistochemistry starting at 10 µg/mL. For immunofluorescence start at 20 µg/mL.
Additional Information
Gene ID 10298
Other Names PAK4 Antibody: KIAA1142, p21-activated kinase 4, PAK-4, p21 protein (Cdc42/Rac)-activated kinase 4
Target/Specificity PAK4; PAK4 antibody is predicted to not cross-react with other PAK family proteins.
Reconstitution & Storage PAK4 antibody can be stored at 4℃ for three months and -20℃, stable for up to one year. As with all antibodies care should be taken to avoid repeated freeze thaw cycles. Antibodies should not be exposed to prolonged high temperatures.
PrecautionsPAK4 Antibody is for research use only and not for use in diagnostic or therapeutic procedures.
Protein Information
Name PAK4
Synonyms KIAA1142
Function Serine/threonine protein kinase that plays a role in a variety of different signaling pathways including cytoskeleton regulation, cell migration, growth, proliferation or cell survival. Activation by various effectors including growth factor receptors or active CDC42 and RAC1 results in a conformational change and a subsequent autophosphorylation on several serine and/or threonine residues. Phosphorylates and inactivates the protein phosphatase SSH1, leading to increased inhibitory phosphorylation of the actin binding/depolymerizing factor cofilin. Decreased cofilin activity may lead to stabilization of actin filaments. Phosphorylates LIMK1, a kinase that also inhibits the activity of cofilin. Phosphorylates integrin beta5/ITGB5 and thus regulates cell motility. Phosphorylates ARHGEF2 and activates the downstream target RHOA that plays a role in the regulation of assembly of focal adhesions and actin stress fibers. Stimulates cell survival by phosphorylating the BCL2 antagonist of cell death BAD. Alternatively, inhibits apoptosis by preventing caspase-8 binding to death domain receptors in a kinase independent manner. Plays a role in cell-cycle progression by controlling levels of the cell- cycle regulatory protein CDKN1A and by phosphorylating RAN.
Cellular Location Cytoplasm. Note=Seems to shuttle between cytoplasmic compartments depending on the activating effector. For example, can be found on the cell periphery after activation of growth-factor or integrin-mediated signaling pathways.
Tissue Location Highest expression in prostate, testis and colon.
Research Areas
Citations (0)
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Background

PAK4 Antibody: The p21-activated kinases (PAKs) are serine-threonine kinases that bind to the active forms of Cdc42 and Rac. They are divided into two groups, the first of which include PAK1, 2 and 3, and can be activated by Cdc42/Rac binding. Group 1 PAKs contain an autoinhibitory domain whose activity is regulated by Cdc42/Rac binding. The group 1 PAKs are known to be involved in cellular processes such as gene transcription, apoptosis, and cell morphology and motility. Much less is known about the second group, which includes PAK4, 5 and 6. These proteins are not activated by Cdc42/Rac binding. PAK4 was initially identified as a novel effector of Cdc42Hs. Co-expression of PAK4 and Cdc42Hs resulted in induction of filopodia and actin polymerization, showing that it is involved in cytoskeletal reorganization. Other experiments have shown PAK4 to be essential for embryonic viability and proper neuronal development. PAK4 has also been implicated in anchorage-independent growth of tumor cells and is required for activation of several cancer prosurvival pathways.

References

Jaffer ZM and Chernoff J. p21-activated kinases: three more join the Pak. Int. J. Biochem. Cell Biol. 2002; 34:713-7.
Abo A, Qu J, Cammarano MS, et al. PAK4, a novel effector for Cdc42Hs, is implicated in the reorganization of the actin cytoskeleton and in the formation of filopodia. EMBO J. 1998; 17:6527-40.
Cotteret S, Jaffer ZM, Beeser A, et al. p21-activated kinase 5 (Pak5) localizes to mitochondria and inhibits apoptosis by phosphorylated BAD. Mol. Cell. Biol. 2003; 23:5526-39.

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$ 379.00
Cat# ASC10183
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