phospho-PAK (T402) Antibody

R&D Systems | Catalog # PPS058

R&D Systems
Discontinued Product
PPS058 has been discontinued. View all PAK products.

Key Product Details

Validated by

Biological Validation

Species Reactivity

Human, Mouse, Rat, Primate

Applications

Western Blot

Label

Unconjugated

Antibody Source

Polyclonal Rabbit IgG
View all PAK Primary Antibodies »

Product Specifications

Immunogen

Phosphopeptide corresponding to amino acid residues surrounding the phospho-T402 of PAK

Specificity

Human, mouse, non-human primates, and rat ~68-70 kDa PAK-1, 2, 3 phosphorylated at T402. T402 in PAK-2 corresponds to T423 in human PAK-1 in Western blots.

Clonality

Polyclonal

Host

Rabbit

Isotype

IgG

Scientific Data Images for phospho-PAK (T402) Antibody

Detection of Phospho-PAK (T402) antibody by Western Blot.

Detection of Phospho-PAK (T402) by Western Blot.

Western blot of rat hippocampal lysate showing specific immunolabeling of the approximately 68-70 kDa PAK protein (Control). The phosphospecificity of this labeling is shown in the second lane ( lambda-phosphatase: lambda PPase). The blot is identical to the control except that it was incubated in lambda PPase (1200 units for 30 minutes) before being exposed to the anti-Phospho-PAK-1, 2, 3 (T402). The immunolabeling of PAK is completely eliminated by treatment with lambda PPase.

Applications for phospho-PAK (T402) Antibody

Application
Recommended Usage

Western Blot

1:1000 dilution

Reviewed Applications

Read 1 review rated 5 using PPS058 in the following applications:

Formulation, Preparation, and Storage

Purification

Antigen Affinity-purified

Formulation

100 μL in 10 mM HEPES (pH 7.5), 150 mM NaCl, 100 μg/mL BSA and 50% glycerol.

Shipping

The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.

Stability & Storage

For long-term storage, ≤ -20° C is recommended. Product is stable at ≤ -20° C for at least 1 year.

Background: PAK

PAK (p21-activated kinase) is a general term for a Serine/Threonine kinase that functions downstream of Rho-family GTPases to regulate cytoskeletal (actin) structure and gene transcription. There are two mammalian PAK groups, each with three members. Group I contains PAK-1/ alpha -PAK, PAK-2/ beta -PAK and PAK-3/ gamma -PAK; group II contains PAKs 4-6. All PAKs contain p21-binding domains and a kinase domain. Only group I PAKs are activated by Cdc42 (cell division cycle 24) and exist as dimers. The dimeric form of group I PAKs keep them in an inactive state. This is due to cross-inhibition from one monomer to another. Following p21 binding, these PAKs dissociate and undergo either auto-, or exogenous (PKD1) phosphorylation on a kinase domain Threonine that is embedded in an 18 aa sequence that is absolutely conserved in PAKs 1-3 in both rat and human. In rat, this Threonine occurs at 402 in PAK-2, T422 in PAK-1, and T421 in PAK-3. In human, each position is increased by one (i.e. T403 vs. T402 in rat PAK-2, etc.). Phosphorylation at this homologous site activates the PAKs, which, following additional regulatory phosphorylations, can then interact with desmin, myosin light chain kinase, LIM1, filamin A and/or Merlin. Preparation Prepared from rabbit serum by affinity purification via sequential chromatography

References

  1. Bokoch, G.M. (2003) Annu. Rev. Biochem. 72:743.
  2. Zkumar, R. et al. (2006) Nat. Rev. Cancer 6:459.
  3. Parrini, M.C. et al. (2002) Mol. Cell 9:73.
  4. King, C.C. et al. (2000) J. Biol. Chem. 275:41201.
  5. Chong, C. et al. (2001) J. Biol. Chem. 276:17347.

Long Name

p21/Cdc42/Rac1-activated Kinase 1, 2, 3

Alternate Names

alpha-PAK;IDDMSSD;Non-specific serine/threonine protein kinase;p65-PAK;PAK1;PAKalpha;Serine/threonine-protein kinase PAK 1

Product Documents for phospho-PAK (T402) Antibody

Certificate of Analysis

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Note: Certificate of Analysis not available for kit components.

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Product Specific Notices for phospho-PAK (T402) Antibody

For research use only

Related Research Areas

Intracellular Kinases

Customer Reviews for phospho-PAK (T402) Antibody (1)

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  • Phospho-PAK (T402) Antibody
    Name: Anonymous
    Application: Western Blot
    Sample Tested: SK-Mel-28 human malignant melanoma cell line
    Species: Human
    Verified Customer | Posted 11/17/2021
    phospho-PAK (T402) Antibody PPS058

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