RecombinantRabMAb

Recombinant Anti-PAK1+PAK2+PAK3 (phospho S144 + S154 + S144 + S141) antibody [EP656Y] (ab40795)

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Western blot - Anti-PAK1 (phospho S144) + PAK2 (phospho S141) + PAK3 (phospho S154) antibody [EP656Y] (ab40795)
  • Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-PAK1 (phospho S144) + PAK2 (phospho S141) + PAK3 (phospho S154) antibody [EP656Y] (ab40795)
  • Immunocytochemistry/ Immunofluorescence - Anti-PAK1 (phospho S144) + PAK2 (phospho S141) + PAK3 (phospho S154) antibody [EP656Y] (ab40795)
  • Flow Cytometry (Intracellular) - Anti-PAK1 (phospho S144) + PAK2 (phospho S141) + PAK3 (phospho S154) antibody [EP656Y] (ab40795)
  • Immunoprecipitation - Anti-PAK1 (phospho S144) + PAK2 (phospho S141) + PAK3 (phospho S154) antibody [EP656Y] (ab40795)
  • Western blot - Anti-PAK1 (phospho S144) + PAK2 (phospho S141) + PAK3 (phospho S154) antibody [EP656Y] (ab40795)
  • Western blot - Anti-PAK1 (phospho S144) + PAK2 (phospho S141) + PAK3 (phospho S154) antibody [EP656Y] (ab40795)
  • Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-PAK1 (phospho S144) + PAK2 (phospho S141) + PAK3 (phospho S154) antibody [EP656Y] (ab40795)
  • Flow Cytometry (Intracellular) - Anti-PAK1 (phospho S144) + PAK2 (phospho S141) + PAK3 (phospho S154) antibody [EP656Y] (ab40795)
  • Western blot - Anti-PAK1 (phospho S144) + PAK2 (phospho S141) + PAK3 (phospho S154) antibody [EP656Y] (ab40795)
  • Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-PAK1 (phospho S144) + PAK2 (phospho S141) + PAK3 (phospho S154) antibody [EP656Y] (ab40795)
  • Western blot - Anti-PAK1 (phospho S144) + PAK2 (phospho S141) + PAK3 (phospho S154) antibody [EP656Y] (ab40795)
  • Anti-PAK1 (phospho S144) + PAK2 (phospho S141) + PAK3 (phospho S154) antibody [EP656Y] (ab40795)

Key features and details

  • Produced recombinantly (animal-free) for high batch-to-batch consistency and long term security of supply
  • Rabbit monoclonal [EP656Y] to PAK1 (phospho S144) + PAK2 (phospho S141) + PAK3 (phospho S154)
  • Suitable for: Flow Cyt (Intra), WB, IHC-P, IP, ICC/IF
  • Reacts with: Mouse, Rat, Human

Overview

  • Product name

    Anti-PAK1+PAK2+PAK3 (phospho S144 + S154 + S144 + S141) antibody [EP656Y]
    See all PAK1+PAK2+PAK3 primary antibodies

  • Description

    Rabbit monoclonal [EP656Y] to PAK1 (phospho S144) + PAK2 (phospho S141) + PAK3 (phospho S154)

  • Host species

    Rabbit

  • Specificity

    ab203958 recognises p21-activated kinase 1 (PAK1).

  • Tested applications

    Suitable for: Flow Cyt (Intra), WB, IHC-P, IP, ICC/IFmore details

  • Species reactivity

    Reacts with: Mouse, Rat, Human

  • Immunogen

    Synthetic peptide within Human PAK1 (phospho S144). The exact sequence is proprietary.
    Database link: Q13153

  • Positive control

    • WB: MCF7, HeLa, RAW 264.7 and C6 cell lysates. IHC: Human liver carcinoma, mouse cerebral cortex, rat cerebral cortex. ICC/IF: HeLa cells. IP: HeLa cell lysate. Flow Cyt (intra): NIH/3T3 cell lysate.

  • General notes

    This product is a recombinant monoclonal antibody, which offers several advantages including:

    • - High batch-to-batch consistency and reproducibility
    • - Improved sensitivity and specificity
    • - Long-term security of supply
    • - Animal-free production
    For more information see here.

    Our RabMAb® technology is a patented hybridoma-based technology for making rabbit monoclonal antibodies. For details on our patents, please refer to RabMAb® patents.

    We are constantly working hard to ensure we provide our customers with best in class antibodies. As a result of this work we are pleased to now offer this antibody in purified format. We are in the process of updating our datasheets. The purified format is designated 'PUR' on our product labels. If you have any questions regarding this update, please contact our Scientific Support team.

Properties

Applications

The Abpromise guarantee

Our Abpromise guarantee covers the use of ab40795 in the following tested applications.

The application notes include recommended starting dilutions; optimal dilutions/concentrations should be determined by the end user.

Application Abreviews Notes
Flow Cyt (Intra)
1/120.

ab172730 - Rabbit monoclonal IgG, is suitable for use as an isotype control with this antibody.
WB (2)
1/10000 - 1/50000. Detects a band of approximately 66 kDa (predicted molecular weight: 65 kDa).
IHC-P (1)
1/100 - 1/500. Perform heat mediated antigen retrieval with Tris/EDTA buffer pH 9.0 before commencing with IHC staining protocol.
IP
1/40.
ICC/IF (1)
1/250 - 1/500.
Notes
Flow Cyt (Intra)
1/120.

ab172730 - Rabbit monoclonal IgG, is suitable for use as an isotype control with this antibody.
WB
1/10000 - 1/50000. Detects a band of approximately 66 kDa (predicted molecular weight: 65 kDa).
IHC-P
1/100 - 1/500. Perform heat mediated antigen retrieval with Tris/EDTA buffer pH 9.0 before commencing with IHC staining protocol.
IP
1/40.
ICC/IF
1/250 - 1/500.

Target

Images

  • Western blot - Anti-PAK1 (phospho S144) + PAK2 (phospho S141) + PAK3 (phospho S154) antibody [EP656Y] (ab40795)
    Western blot - Anti-PAK1 (phospho S144) + PAK2 (phospho S141) + PAK3 (phospho S154) antibody [EP656Y] (ab40795)
    All lanes : Anti-PAK1+PAK2+PAK3 (phospho S144 + S154 + S144 + S141) antibody [EP656Y] (ab40795) at 1/1000 dilution

    Lane 1 : MCF7, grown in serum-free media overnight, whole cell lysate
    Lane 2 : MCF7, grown in serum-free media overnight, then treated with EGF 1µg/ml for 10min, whole cell lysate
    Lane 3 : MCF7, grown in serum-free media overnight, then treated with EGF 1µg/ml for 10min, whole cell lysate. The membrane was incubated with phosphatase.

    Lysates/proteins at 10 µg per lane.

    Secondary
    All lanes : Goat Anti-Rabbit IgG H&L (HRP) (ab97051) at 1/20000 dilution

    Predicted band size: 65 kDa
    Observed band size: 55 kDa why is the actual band size different from the predicted?


    Exposure time: 1 minute


    Blocking and dilution buffer: 5% NFDM/TBST.

  • Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-PAK1 (phospho S144) + PAK2 (phospho S141) + PAK3 (phospho S154) antibody [EP656Y] (ab40795)
    Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-PAK1 (phospho S144) + PAK2 (phospho S141) + PAK3 (phospho S154) antibody [EP656Y] (ab40795)

    ab40795 staining PAK1 (phospho S144) + PAK2 (phospho S141) + PAK3 (phospho S154) in rat cerebral cortex tissue sections by Immunohistochemistry (IHC-P - paraformaldehyde-fixed, paraffin-embedded sections). Tissue was fixed with paraformaldehyde and antigen retrieval was by heat mediation in a EDTA buffer. Samples were incubated with primary antibody at a dilution of 1/100. A goat anti-rabbit IgG H&L (HRP) ab97051 was used as the secondary antibody at a dilution of 1/500.

    Negative control 1: PBS in place of primary

  • Immunocytochemistry/ Immunofluorescence - Anti-PAK1 (phospho S144) + PAK2 (phospho S141) + PAK3 (phospho S154) antibody [EP656Y] (ab40795)
    Immunocytochemistry/ Immunofluorescence - Anti-PAK1 (phospho S144) + PAK2 (phospho S141) + PAK3 (phospho S154) antibody [EP656Y] (ab40795)

    ab40795 staining PAK1 (phospho S144) + PAK2 (phospho S141) + PAK3 (phospho S154) in HeLa (human cervix adenocarcinoma) cells, treated and untreated with Lambda Protein Phosphtase 31℃ for 5h by ICC/IF (Immunocytochemistry/immunofluorescence). Cells were fixed with 4% Paraformaldehyde and permeabilized with 0.1% Triton X-100. Samples were incubated with primary antibody at a dilution of 1/100. A goat anti rabbit IgG (Alexa Fluor® 488) (ab150077) was used as the secondary antibody. ab7291 and ab150120 were used as counterstains for primary antibody ab75748 and secondary antibody ab150077 respectively and DAPI was used as a nuclear counterstain.

    Negative control 1: Rabbit primary antibody and anti-mouse secondary antibody (ab150120)
    Negative control 2: Mouse primary antibody (ab7291) and anti-rabbit secondary antibody (ab150077)

     

  • Flow Cytometry (Intracellular) - Anti-PAK1 (phospho S144) + PAK2 (phospho S141) + PAK3 (phospho S154) antibody [EP656Y] (ab40795)
    Flow Cytometry (Intracellular) - Anti-PAK1 (phospho S144) + PAK2 (phospho S141) + PAK3 (phospho S154) antibody [EP656Y] (ab40795)

    ab40795 staining PAK1 (phospho S144) + PAK2 (phospho S141) + PAK3 (phospho S154) in the human cell line NIH/3T3 (mouse embryo) by intracellular flow cytometry. Cells were fixed with 4% paraformaldehyde and the sample was incubated with the primary antibody at a dilution of 1/120. A goat anti rabbit IgG (Alexa Fluorr® 488) at a dilution of 1/500 was used as the secondary antibody. 

    Isoytype control: Rabbit monoclonal IgG (Black) 

    Unlabelled control: Cell without incubation with primary antibody and secondary antibody (Blue) 

     

     

  • Immunoprecipitation - Anti-PAK1 (phospho S144) + PAK2 (phospho S141) + PAK3 (phospho S154) antibody [EP656Y] (ab40795)
    Immunoprecipitation - Anti-PAK1 (phospho S144) + PAK2 (phospho S141) + PAK3 (phospho S154) antibody [EP656Y] (ab40795)

    ab40795 immunoprecipitating PAK1 (phospho S144) + PAK2 (phospho S141) + PAK3 (phospho S154). 10µg of HeLa (human cervix adenocarcinoma) whole cell lysate was incubated with primary antibody at a dilution of 1/40 and VeriBlot for IP Detection Reagent (HRP) (ab131366) at a dilution of 1/10000.

    Lane 1: HeLa whole cell lysate (10ug)
    Lane 2: ab40795 IP in HeLa whole cell lysate
    Lane 3: Rabbit monoclonal IgG (ab172730) instead of ab40795 in HeLa (human cervix adenocarcinoma) whole cell lysate

  • Western blot - Anti-PAK1 (phospho S144) + PAK2 (phospho S141) + PAK3 (phospho S154) antibody [EP656Y] (ab40795)
    Western blot - Anti-PAK1 (phospho S144) + PAK2 (phospho S141) + PAK3 (phospho S154) antibody [EP656Y] (ab40795)
    All lanes : Anti-PAK1+PAK2+PAK3 (phospho S144 + S154 + S144 + S141) antibody [EP656Y] (ab40795) at 1/2000 dilution

    Lane 1 : HeLa cell lysate with None
    Lane 2 : HeLa cell lysate with PAK2 (pS141)
    Lane 3 : HeLa cell lysate with PAK2 non-phospho
    Lane 4 : HeLa cell lysate with PAK3 (pS154)
    Lane 5 : HeLa cell lysate with PAK3 non-phospho

    Predicted band size: 65 kDa

  • Western blot - Anti-PAK1 (phospho S144) + PAK2 (phospho S141) + PAK3 (phospho S154) antibody [EP656Y] (ab40795)
    Western blot - Anti-PAK1 (phospho S144) + PAK2 (phospho S141) + PAK3 (phospho S154) antibody [EP656Y] (ab40795)
    All lanes : Anti-PAK1+PAK2+PAK3 (phospho S144 + S154 + S144 + S141) antibody [EP656Y] (ab40795) at 1/50000 dilution

    Lane 1 : C6 (rat glioma) whole cell lysate - treated with phosphatase
    Lane 2 : C6 (rat glioma) whole cell lysate - untreated

    Lysates/proteins at 10 µg per lane.

    Secondary
    All lanes : Goat Anti-Rabbit IgG H&L (HRP) (ab97051) at 1/100000 dilution

    Predicted band size: 65 kDa

  • Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-PAK1 (phospho S144) + PAK2 (phospho S141) + PAK3 (phospho S154) antibody [EP656Y] (ab40795)
    Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-PAK1 (phospho S144) + PAK2 (phospho S141) + PAK3 (phospho S154) antibody [EP656Y] (ab40795)

    ab40795 staining PAK1 (phospho S144) + PAK2 (phospho S141) + PAK3 (phospho S154) in mouse cerebral cortex tissue sections by Immunohistochemistry (IHC-P - paraformaldehyde-fixed, paraffin-embedded sections). Tissue was fixed with paraformaldehyde and antigen retrieval was by heat mediation in a EDTA buffer. Samples were incubated with primary antibody at a dilution of 1/100. A goat anti-rabbit IgG H&L (HRP) ab97051 was used as the secondary antibody at a dilution of 1/500.

    Negative control 1: PBS in place of primary antibody.

  • Flow Cytometry (Intracellular) - Anti-PAK1 (phospho S144) + PAK2 (phospho S141) + PAK3 (phospho S154) antibody [EP656Y] (ab40795)
    Flow Cytometry (Intracellular) - Anti-PAK1 (phospho S144) + PAK2 (phospho S141) + PAK3 (phospho S154) antibody [EP656Y] (ab40795)

    Overlay histogram showing HeLa cells stained with unpurified ab40795 (red line). The cells were fixed with 80% methanol (5 min) and then permeabilized with 0.1% PBS-Tween for 20 min. The cells were then incubated in 1x PBS / 10% normal goat serum / 0.3M glycine to block non-specific protein-protein interactions followed by the antibody (ab40795, 1/100 dilution) for 30 min at 22°C. The secondary antibody used was DyLight® 488 goat anti-rabbit IgG (H+L) (ab96899) at 1/500 dilution for 30 min at 22°C. Isotype control antibody (black line) was rabbit IgG (monoclonal) (1µg/1x106 cells) used under the same conditions. Unlabelled sample (blue line) was also used as a control. Acquisition of >5,000 events were collected using a 20mW Argon ion laser (488nm) and 525/30 bandpass filter. 

     

     

  • Western blot - Anti-PAK1 (phospho S144) + PAK2 (phospho S141) + PAK3 (phospho S154) antibody [EP656Y] (ab40795)
    Western blot - Anti-PAK1 (phospho S144) + PAK2 (phospho S141) + PAK3 (phospho S154) antibody [EP656Y] (ab40795)
    All lanes : Anti-PAK1+PAK2+PAK3 (phospho S144 + S154 + S144 + S141) antibody [EP656Y] (ab40795) at 1/10000 dilution

    Lane 1 : HeLa whole cell lysate - untreated
    Lane 2 : HeLa whole cell lysate - treated with phosphatase

    Lysates/proteins at 10 µg per lane.

    Secondary
    All lanes : Goat Anti-Rabbit IgG H&L (HRP) (ab97051) at 1/20000 dilution

    Predicted band size: 65 kDa

  • Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-PAK1 (phospho S144) + PAK2 (phospho S141) + PAK3 (phospho S154) antibody [EP656Y] (ab40795)
    Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-PAK1 (phospho S144) + PAK2 (phospho S141) + PAK3 (phospho S154) antibody [EP656Y] (ab40795)

    ab40795 staining PAK1 (phospho S144) + PAK2 (phospho S141) + PAK3 (phospho S154) in human liver carcinoma tissue sections by Immunohistochemistry (IHC-P - paraformaldehyde-fixed, paraffin-embedded sections). Tissue was fixed with paraformaldehyde and antigen retrieval was by heat mediation in a EDTA buffer. Samples were incubated with primary antibody at a dilution of 1/100. A goat anti-rabbit IgG H&L (HRP) ab97051 was used as the secondary antibody at a dilution of 1/500.

    Negative control 1: PBS in place of primary antibody.

     

  • Western blot - Anti-PAK1 (phospho S144) + PAK2 (phospho S141) + PAK3 (phospho S154) antibody [EP656Y] (ab40795)
    Western blot - Anti-PAK1 (phospho S144) + PAK2 (phospho S141) + PAK3 (phospho S154) antibody [EP656Y] (ab40795)
    All lanes : Anti-PAK1+PAK2+PAK3 (phospho S144 + S154 + S144 + S141) antibody [EP656Y] (ab40795) at 1/10000 dilution

    Lane 1 : RAW264.7 (mouse abelson murine leukemia virus-induced tumor) whole cell lysate - treated with phosphatase
    Lane 2 : RAW264.7 (mouse abelson murine leukemia virus-induced tumor) whole cell lysate - untreated

    Lysates/proteins at 10 µg per lane.

    Secondary
    All lanes : Goat Anti-Rabbit IgG H&L (HRP) (ab97051) at 1/100000 dilution

    Predicted band size: 65 kDa

  • Anti-PAK1 (phospho S144) + PAK2 (phospho S141) + PAK3 (phospho S154) antibody [EP656Y] (ab40795)
    Anti-PAK1 (phospho S144) + PAK2 (phospho S141) + PAK3 (phospho S154) antibody [EP656Y] (ab40795)

Protocols

To our knowledge, customised protocols are not required for this product. Please try the standard protocols listed below and let us know how you get on.

Click here to view the general protocols

References (30)

Publishing research using ab40795? Please let us know so that we can cite the reference in this datasheet.

ab40795 has been referenced in 30 publications.

  • Kuželová K  et al. Group I p21-activated kinases in leukemia cell adhesion to fibronectin. Cell Adh Migr 15:18-36 (2021). PubMed: 33464167
  • Tan S  et al. RAC1 Involves in the Radioresistance by Mediating Epithelial-Mesenchymal Transition in Lung Cancer. Front Oncol 10:649 (2020). PubMed: 32411607
  • Schöttelndreier D  et al. Low Density Lipoprotein Receptor-Related Protein-1 (LRP1) Is Involved in the Uptake of Clostridioides difficile Toxin A and Serves as an Internalizing Receptor. Front Cell Infect Microbiol 10:565465 (2020). PubMed: 33194803
  • Rodríguez-Fdez S  et al. Vav2 catalysis-dependent pathways contribute to skeletal muscle growth and metabolic homeostasis. Nat Commun 11:5808 (2020). PubMed: 33199701
  • Zhang Y  et al. PTPs inhibitors promote hematopoietic stem cell regeneration. Nat Commun 10:3667 (2019). PubMed: 31413255
View all Publications for this product

Customer reviews and Q&As

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1-4 of 4 Abreviews or Q&A

Western blot abreview for Anti-PAK1 (phospho S144) antibody [EP656Y]

 Excellent
Abreviews
abreview image
Application
Western blot
Sample
Human Cell lysate - whole cell (HCT116)
Loading amount
40 µg
Specification
HCT116
Gel Running Conditions
Non-reduced Denaturing (15%)
Blocking step
Milk as blocking agent for 1 hour(s) and 0 minute(s) · Concentration: 5% · Temperature: 25°C
Read More

Abcam user community

Verified customer

Submitted Nov 30 2012

Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) abreview for Anti-PAK1 (phospho S144) antibody [EP656Y]

 Average
Abreviews
Application
Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections)
Sample
Human Tissue sections (normal tissue array (including breast/colon/spleen)
Specification
normal tissue array (including breast/colon/spleen
Fixative
Formaldehyde
Antigen retrieval step
Heat mediated - Buffer/Enzyme Used: Citrate
Permeabilization
No
Blocking step
Serum as blocking agent for 10 minute(s) · Concentration: 10%
Read More

Abcam user community

Verified customer

Submitted May 19 2009

Western blot abreview for Anti-PAK1 (phospho S144) antibody [EP656Y]

 Good
Abreviews
Application
Western blot
Sample
Human Cell lysate - whole cell (Breast)
Loading amount
20 µg
Specification
Breast
Gel Running Conditions
Non-reduced Non-Denaturing (Native) (4-12)
Blocking step
Milk as blocking agent for 1 hour(s) and 0 minute(s) · Concentration: 10%
Read More

Abcam user community

Verified customer

Submitted May 18 2009

Immunocytochemistry/ Immunofluorescence abreview for Anti-PAK1 (phospho S144) antibody [EP656Y]

 Excellent
Abreviews
abreview image
Application
Immunocytochemistry/ Immunofluorescence
Sample
Mouse Cell (cultured hippocampal astrocytes)
Specification
cultured hippocampal astrocytes
Fixative
Paraformaldehyde
Blocking step
BSA as blocking agent for 20 minute(s) · Concentration: 1%
Read More

Abcam user community

Verified customer

Submitted Mar 08 2007

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