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  1. Link

    pp2a-alpha--beta-antibody-e155-ab32104.pdf

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RecombinantRabMAb

Recombinant Anti-PP2A alpha + beta antibody [E155] (ab32104)

  • Datasheet
Reviews (2)Q&A (3)References (42)

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Western blot - Anti-PP2A alpha + beta antibody [E155] (ab32104)
  • Immunocytochemistry/ Immunofluorescence - Anti-PP2A alpha + beta antibody [E155] (ab32104)
  • Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-PP2A alpha + beta antibody [E155] (ab32104)
  • Flow Cytometry (Intracellular) - Anti-PP2A alpha + beta antibody [E155] (ab32104)
  • Dot Blot - Anti-PP2A alpha + beta antibody [E155] (ab32104)
  • Western blot - Anti-PP2A alpha + beta antibody [E155] (ab32104)
  • Anti-PP2A alpha + beta antibody [E155] (ab32104)

Key features and details

  • Produced recombinantly (animal-free) for high batch-to-batch consistency and long term security of supply
  • Rabbit monoclonal [E155] to PP2A alpha + beta
  • Suitable for: WB, IHC-P, ICC/IF, Flow Cyt (Intra), Dot blot
  • Reacts with: Human

Conjugates logo Related conjugates and formulations

Alexa Fluor® 488 Alexa Fluor® 647 Biotin Carrier Free HRP

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Overview

  • Product name

    Anti-PP2A alpha + beta antibody [E155]
    See all PP2A alpha + beta primary antibodies
  • Description

    Rabbit monoclonal [E155] to PP2A alpha + beta
  • Host species

    Rabbit
  • Specificity

    The immunogen sequence for ab32104 has 100% homology with the PP2A-beta protein.

  • Tested applications

    Suitable for: WB, IHC-P, ICC/IF, Flow Cyt (Intra), Dot blotmore details
  • Species reactivity

    Reacts with: Human
    Predicted to work with: Mouse, Rat, Zebrafish
  • Immunogen

    Synthetic peptide within Human PP2A alpha + beta aa 250-350. The exact sequence is proprietary.

  • Positive control

    • IHC-P: Human pancreas tissue. WB: lysate of A431 cells (serum starved overnight) treated with EGF (100ng/ml) for 5-10 minutes at 37C (BD Biosciences).
  • 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.

Properties

  • Form

    Liquid
  • Storage instructions

    Shipped at 4°C. Store at +4°C short term (1-2 weeks). Upon delivery aliquot. Store at -20°C. Avoid freeze / thaw cycle.
  • Storage buffer

    pH: 7.20
    Preservative: 0.01% Sodium azide
    Constituents: 49% PBS, 50% Glycerol (glycerin, glycerine), 0.05% BSA
  • Concentration information loading...
  • Purity

    Protein A purified
  • Clonality

    Monoclonal
  • Clone number

    E155
  • Isotype

    IgG
  • Research areas

    • Cell Biology
    • Cell Cycle
    • Kinases/Phosphatases
    • Phosphatases
    • Cell Biology
    • Cell Cycle
    • Kinases/Phosphatases
    • Other
    • Neuroscience
    • Neurotransmission
    • Intracellular Signaling
    • Phosphatases
    • Signal Transduction
    • Protein Phosphorylation
    • Ser / Thr Phosphatases
    • Stem Cells
    • Signaling Pathways
    • Wnt
    • Cytoplasmic
    • Epigenetics and Nuclear Signaling
    • Cell cycle
    • Kinases/Phosphatases
    • Other
    • Stem Cells
    • Signaling Pathways
    • TGF beta
    • Cytoplasmic
    • Cancer
    • Cell cycle
    • Kinases/phosphatases
    • Phosphatases
    • Cardiovascular
    • Heart
    • Contractility
    • Contractile Proteins
    • Troponin

Associated products

  • Alternative Versions

    • HRP Anti-PP2A alpha + beta antibody [E155] (ab196979)
    • Biotin Anti-PP2A alpha + beta antibody [E155] (ab197706)
    • Anti-PP2A alpha + beta antibody [E155] - BSA and Azide free (ab226007)
    • Alexa Fluor® 488 Anti-PP2A alpha + beta antibody [E155] (ab252049)
    • Alexa Fluor® 647 Anti-PP2A alpha + beta antibody [E155] (ab252050)
  • Isotype control

    • Rabbit IgG, monoclonal [EPR25A] - Isotype Control (ab172730)
  • Positive Controls

    • A-431 whole cell lysate (ab7909)

Applications

The Abpromise guarantee

Our Abpromise guarantee covers the use of ab32104 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
WB (1)
1/5000. Predicted molecular weight: 35 kDa.
IHC-P
Use at an assay dependent concentration. Perform heat mediated antigen retrieval with citrate buffer pH 6 before commencing with IHC staining protocol.
ICC/IF (1)
Use a concentration of 5 µg/ml.
Flow Cyt (Intra)
Use at an assay dependent concentration.

ab172730 - Rabbit monoclonal IgG, is suitable for use as an isotype control with this antibody.

Dot blot
Use at an assay dependent concentration.
Notes
WB
1/5000. Predicted molecular weight: 35 kDa.
IHC-P
Use at an assay dependent concentration. Perform heat mediated antigen retrieval with citrate buffer pH 6 before commencing with IHC staining protocol.
ICC/IF
Use a concentration of 5 µg/ml.
Flow Cyt (Intra)
Use at an assay dependent concentration.

ab172730 - Rabbit monoclonal IgG, is suitable for use as an isotype control with this antibody.

Dot blot
Use at an assay dependent concentration.

Target

  • Function

    PP2A can modulate the activity of phosphorylase B kinase casein kinase 2, mitogen-stimulated S6 kinase, and MAP-2 kinase. Cooperates with SGOL2 to protect centromeric cohesin from separase-mediated cleavage in oocytes specifically during meiosis I (By similarity). Can dephosphorylate SV40 large T antigen and p53/TP53. Dephosphorylates SV40 large T antigen, preferentially on serine residues 120, 123, 677, and perhaps 679. The C subunit was most active, followed by the AC form, which was more active than the ABC form, and activity of all three forms was strongly stimulated by manganese, and to a lesser extent by magnesium. Dephosphorylation by the AC form, but not C or ABC form is inhibited by small T antigen. Activates RAF1 by dephosphorylating it at 'Ser-259'.
  • Sequence similarities

    Belongs to the PPP phosphatase family. PP-1 subfamily.
  • Post-translational
    modifications

    Reversibly methyl esterified on Leu-309. Carboxyl methylation may play a role in holoenzyme assembly, enhancing the affinity of the PP2A core enzyme for some, but not all, regulatory subunits. It varies during the cell cycle.
    Phosphorylation of either threonine (by autophosphorylation-activated protein kinase) or tyrosine results in inactivation of the phosphatase. Auto-dephosphorylation has been suggested as a mechanism for reactivation.
  • Cellular localization

    Cytoplasm. Nucleus. Chromosome > centromere. Cytoplasm > cytoskeleton > spindle pole. In prometaphase cells, but not in anaphase cells, localizes at centromeres. During mitosis, also found at spindle poles. Centromeric localization requires the presence of SGOL2.
  • Target information above from: UniProt accession P67775 The UniProt Consortium
    The Universal Protein Resource (UniProt) in 2010
    Nucleic Acids Res. 38:D142-D148 (2010) .

    Information by UniProt
  • Database links

    • Entrez Gene: 5515 Human
    • Entrez Gene: 5516 Human
    • Entrez Gene: 19052 Mouse
    • Entrez Gene: 19053 Mouse
    • Entrez Gene: 24672 Rat
    • Entrez Gene: 24673 Rat
    • Entrez Gene: 393885 Zebrafish
    • Entrez Gene: 406582 Zebrafish
    • Omim: 176915 Human
    • Omim: 176916 Human
    • SwissProt: P62714 Human
    • SwissProt: P67775 Human
    • SwissProt: P62715 Mouse
    • SwissProt: P63330 Mouse
    • SwissProt: P62716 Rat
    • SwissProt: P63331 Rat
    • Unigene: 105818 Human
    • Unigene: 260288 Mouse
    • Unigene: 1271 Rat
    see all
  • Alternative names

    • PP2A A antibody
    • PP2A alpha antibody
    • PP2A B antibody
    • PP2A beta antibody
    • PP2A-alpha antibody
    • PP2A-beta antibody
    • PP2AA_HUMAN antibody
    • PP2Aalpha antibody
    • PP2AB_HUMAN antibody
    • PP2Abeta antibody
    • PP2Ac antibody
    • PP2CA antibody
    • PP2Calpha antibody
    • PP2CB antibody
    • PPP2CA antibody
    • PPP2CB antibody
    • Protein phosphatase 2 catalytic subunit alpha isoform antibody
    • Protein phosphatase 2 catalytic subunit beta isoform antibody
    • Protein phosphatase type 2A catalytic subunit antibody
    • Replication protein C antibody
    • RP C antibody
    • RP-C antibody
    • RPC antibody
    • Serine/threonine protein phosphatase 2A catalytic subunit alpha isoform antibody
    • Serine/threonine protein phosphatase 2A catalytic subunit beta isoform antibody
    • Serine/threonine-protein phosphatase 2A catalytic subunit alpha isoform antibody
    see all

Images

  • Western blot - Anti-PP2A alpha + beta antibody [E155] (ab32104)
    Western blot - Anti-PP2A alpha + beta antibody [E155] (ab32104)
    All lanes : Anti-PP2A alpha + beta antibody [E155] (ab32104) at 1/5000 dilution

    Lane 1 : Untreated HeLa (human cervix adenocarcinoma) whole cell lysates
    Lane 2 : HeLa (human cervix adenocarcinoma) whole cell lysates,cells were treated with Pervanadate for 30 minutes at the final concentration of 1mg/ml
    Lane 3 : HeLa (human cervix adenocarcinoma) whole cell lysates,cells were treated with Pervanadate for 30 minutes at the final concentration of 1mg/ml Then the membrane was incubated with Alkaline phosphatase.

    Lysates/proteins at 10 µg per lane.

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

    Predicted band size: 35 kDa



    Blocking and Diluting buffer and concentration:5% NFDM/TBST

    Exposure time:3 minutes

  • Immunocytochemistry/ Immunofluorescence - Anti-PP2A alpha + beta antibody [E155] (ab32104)
    Immunocytochemistry/ Immunofluorescence - Anti-PP2A alpha + beta antibody [E155] (ab32104)
    ICC/IF image of ab32104 stained HeLa cells. The cells were 4% formaldehyde fixed (10 min) and then incubated in 1%BSA / 10% normal goat serum / 0.3M glycine in 0.1% PBS-Tween for 1h to permeabilise the cells and block non-specific protein-protein interactions. The cells were then incubated with the antibody (ab32104, 5µg/ml) overnight at +4°C. The secondary antibody (green) was Alexa Fluor® 488 goat anti-rabbit IgG (H+L) used at a 1/1000 dilution for 1h. Alexa Fluor® 594 WGA was used to label plasma membranes (red) at a 1/200 dilution for 1h. DAPI was used to stain the cell nuclei (blue) at a concentration of 1.43µM.

  • Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-PP2A alpha + beta antibody [E155] (ab32104)
    Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-PP2A alpha + beta antibody [E155] (ab32104)

    ab32104 (2µg/ml) staining PP2A alpha  in human pancreas using an automated system (DAKO Autostainer Plus). Using this protocol there is strong cytoplasmic staining of the islet of Langerhans.
    Sections were rehydrated and antigen retrieved with the Dako 3 in 1 AR buffer citrate pH6.1 in a DAKO PT link. Slides were peroxidase blocked in 3% H2O2 in methanol for 10 mins. They were then blocked with Dako Protein block for 10 minutes (containing casein 0.25% in PBS) then incubated with primary antibody for 20 min and detected with Dako envision flex amplification kit for 30 minutes. Colorimetric detection was completed with Diaminobenzidine for 5 minutes. Slides were counterstained with Haematoxylin and coverslipped under DePeX. Please note that, for manual staining, optimization of primary antibody concentration and incubation time is recommended. Signal amplification may be required.

  • Flow Cytometry (Intracellular) - Anti-PP2A alpha + beta antibody [E155] (ab32104)
    Flow Cytometry (Intracellular) - Anti-PP2A alpha + beta antibody [E155] (ab32104)

    Intracellular Flow Cytometry analysis of HeLa (human cervix adenocarcinoma) cells labeling PP2A alpha + beta with purified ab32104 at 1/20 dilution (10ug/ml) (red). Cells were fixed with 4% paraformaldehyde and permeabilised with 90% methanol. A Goat anti rabbit IgG (Alexa Fluorr® 488) (1/2000 dilution) was used as the secondary antibody. Rabbit monoclonal IgG (Black) was used as the isotype control, cells without incubation with primary antibody and secondary antibody (Blue) were used as the unlabeled control. 

     

     

  • Dot Blot - Anti-PP2A alpha + beta antibody [E155] (ab32104)
    Dot Blot - Anti-PP2A alpha + beta antibody [E155] (ab32104)

    Dot blot was performed using ab32104 at 1/1000 dilution.Goat Anti-Rabbit IgG,(H+L),HRP conjugated (ab97051) was used as secondary antibody at 1/100000 dilution

    Lane 1:PP2A alpha + beta  phospho peptide

    Lane 2:PP2A alpha + beta non-phospho peptide

    Blocking and Diluting buffer and concentration:5% NFDM/TBST

    Exposure time:10 seconds

  • Western blot - Anti-PP2A alpha + beta antibody [E155] (ab32104)
    Western blot - Anti-PP2A alpha + beta antibody [E155] (ab32104)
    All lanes : Anti-PP2A alpha + beta antibody [E155] (ab32104) at 1/5000 dilution

    Lane 1 : untreated A431 cell lysate
    Lane 2 : EGF treated A431 cell lysate (the specific EGF concentration and incubation time is confidential information)

    Predicted band size: 35 kDa
    Observed band size: 35 kDa

  • Anti-PP2A alpha + beta antibody [E155] (ab32104)
    Anti-PP2A alpha + beta antibody [E155] (ab32104)

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

Datasheets and documents

  • Datasheet download

    Download

References (42)

Publishing research using ab32104? Please let us know so that we can cite the reference in this datasheet.

ab32104 has been referenced in 42 publications.

  • Sun XY  et al. Rutin prevents tau pathology and neuroinflammation in a mouse model of Alzheimer's disease. J Neuroinflammation 18:131 (2021). PubMed: 34116706
  • Lan J  et al. Endoplasmic reticulum stress induces liver cells apoptosis after brain death by suppressing the phosphorylation of protein phosphatase 2A. Mol Med Rep 21:567-574 (2020). PubMed: 31974600
  • Chen X  et al. Adropin regulates hepatic glucose production via PP2A/AMPK pathway in insulin-resistant hepatocytes. FASEB J 34:10056-10072 (2020). PubMed: 32579277
  • Bi X  et al. CBP Bromodomain Inhibition Rescues Mice From Lethal Sepsis Through Blocking HMGB1-Mediated Inflammatory Responses. Front Immunol 11:625542 (2020). PubMed: 33603756
  • Zhou Y  et al. Interferon-inducible cytoplasmic lncLrrc55-AS promotes antiviral innate responses by strengthening IRF3 phosphorylation. Cell Res 29:641-654 (2019). PubMed: 31213650
View all Publications for this product

Customer reviews and Q&As

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1-5 of 5 Abreviews or Q&A

Immunocytochemistry/ Immunofluorescence abreview for Anti-PP2A alpha + beta antibody [E155]

Excellent
Abreviews
Abreviews
abreview image
Application
Immunocytochemistry/ Immunofluorescence
Sample
Human Cell (Human brain cells)
Permeabilization
No
Specification
Human brain cells
Blocking step
Serum as blocking agent for 1 hour(s) and 0 minute(s) · Concentration: 2% · Temperature: 26°C
Fixative
Paraformaldehyde
Read More

DR. Uthra Rajamani

Verified customer

Submitted Mar 25 2021

Western blot abreview for Anti-PP2A alpha + beta antibody [E155]

Excellent
Abreviews
Abreviews
abreview image
Application
Western blot
Sample
Human Cell lysate - whole cell (primary liver cell)
Gel Running Conditions
Reduced Denaturing (10)
Loading amount
20 µg
Treatment
crispr-ko
Specification
primary liver cell
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 06 2020

Question

Estimada ,
Esta es la secuencia C-terminal alrededor de la Tyr307 en mi proteína:XXXXXXXXXXXXXXXXXXX
Muchas gracias por su ayuda,

Read More

Abcam community

Verified customer

Asked on Mar 02 2012

Answer

Te pido disculpas por la espera.

Respecto al anticuerpo ab32104, hemos realizado un BLAST comparando ambas secuencias, y existe un 77% de homología entre ellas. No se prevé por tanto que el anticuerpo pueda reconocerla.


¿De qué especie se trata? ¿En qué aplicación lo quieres usar?

Read More

Abcam Scientific Support

Answered on Mar 02 2012

Question

BATCH NUMBER -- NOT SPECIFIED -- ORDER NUMBER -- NOT SPECIFIED -- DESCRIPTION OF THE PROBLEM Multiple bands SAMPLE cone photoreceptor derived 661W cells PRIMARY ANTIBODY primary antibody added at 1 in 2500 dilution overnight at 4C DETECTION METHOD ECL 10 min exposure SAMPLE PREPARATION extracted in RIPA buffer on ice via standard protocol AMOUNT OF PROTEIN LOADED 20 ug ELECTROPHORESIS/GEL CONDITIONS reducing 12% gel TRANSFER AND BLOCKING CONDITIONS transfer 90 V for 50 mins blocked in 10% milk for 1 hour room temp SECONDARY ANTIBODY anti-rabbit 1 in 1000 dilution HOW MANY TIMES HAVE YOU TRIED THE APPLICATION? 1 HAVE YOU RUN A "NO PRIMARY" CONTROL? No ADDITIONAL NOTES the data sheet says that this antibody picks up only one band, as you can see on the attached file there are two definite bands, can you tell me what each band might be? Which band is the specific band?

Read More

Abcam community

Verified customer

Asked on Feb 20 2009

Answer

Thank you for your enquiry. I am sorry to hear you are having a problem with ab32104. To our knowledge, the antibody does not react with mouse. Therefore, we are unable to say, which of the two bands might be correct or if any of them is specific. I would recommend to use a positive control, as described on our datasheet and run it next to your sample. Doing this, you will be able to see, which band corresponds to the control band. Please let me know if this helps and do not hesitate to contact us for further advice.

Read More

Abcam Scientific Support

Answered on Feb 20 2009

Question

Thank you for your quick answer. Concearning the WB image you show on the data sheet: Could you find out how long the cells were treated with EGF and at what concentration? Thank you for your help. Best regards,

Read More

Abcam community

Verified customer

Asked on Jul 06 2006

Answer

I have the regret to inform you that the scientist who tested the antibody informed me that the stimulation paradigm was confidential. I'm sorry I was unable to provide this information.

Read More

Abcam Scientific Support

Answered on Jul 13 2006

Please note: All products are "FOR RESEARCH USE ONLY. NOT FOR USE IN DIAGNOSTIC PROCEDURES"
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