Phospho-PPP2CA (Y307) Antibody

Code CSB-PA030181
Size US$100
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  • Western blot analysis of SKOV3 using p-PP2A-Cα (Y307) antibody.
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Product Details

Uniprot No.
Target Names
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
Raised in
Species Reactivity
Synthesized peptide derived from Human PP2A-Cα around the phosphorylation site of Y307.
Immunogen Species
Homo sapiens (Human)
Purification Method
The antibody was affinity-purified from rabbit antiserum by affinity-chromatography using epitope-specific immunogen.
It differs from different batches. Please contact us to confirm it.
Liquid in PBS containing 50% glycerol, 0.5% BSA and 0.02% sodium azide.
Tested Applications
Recommended Dilution
Application Recommended Dilution
WB 1:500-1:2000
IHC 1:100-1:300
IF 1:200-1:1000
ELISA 1:5000
Troubleshooting and FAQs
Upon receipt, store at -20°C or -80°C. Avoid repeated freeze.
Lead Time
Basically, we can dispatch the products out in 1-3 working days after receiving your orders. Delivery time maybe differs from different purchasing way or location, please kindly consult your local distributors for specific delivery time.

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Target Background

PP2A is the major phosphatase for microtubule-associated proteins (MAPs). PP2A can modulate the activity of phosphorylase B kinase casein kinase 2, mitogen-stimulated S6 kinase, and MAP-2 kinase. Cooperates with SGO2 to protect centromeric cohesin from separase-mediated cleavage in oocytes specifically during meiosis I. Can dephosphorylate SV40 large T antigen and p53/TP53. Activates RAF1 by dephosphorylating it at 'Ser-259'. Mediates dephosphorylation of WEE1, preventing its ubiquitin-mediated proteolysis, increasing WEE1 protein levels, and promoting the G2/M checkpoint. Mediates dephosphorylation of MYC; promoting its ubiquitin-mediated proteolysis: interaction with AMBRA1 enhances interaction between PPP2CA and MYC. Mediates dephosphorylation of FOXO3; promoting its stabilization: interaction with AMBRA1 enhances interaction between PPP2CA and FOXO3.
Gene References into Functions
  1. High PP2A expression is associated with Colorectal Cancer Cell Invasiveness. PMID: 30275201
  2. PP2A overexpression is associated with lung metastasis in colorectal cancer . PMID: 30144452
  3. Suspension survival mediated by PP2A-STAT3-Col XVII determines tumor initiation and metastasis in cancer stem cells. PMID: 27306323
  4. alpha-Syn bound to PP2A Calpha by the hydrophobic interaction and upregulated its activity. Blocking the hydrophobic domain of alpha-Syn or hydrophilic mutation on the residue I123 in PP2A Calpha all reduced PP2A activity upregulation by alpha-Syn. PMID: 29996119
  5. The results showed SNPs near PPP2CA were associated with decreased expression of PPP2CA mRNA in PBMCs from patients with SLE and suggested that the mRNA expression of the gene may be correlated with the pathogenesis of SLE. PMID: 28144936
  6. This study demonstrated an association of PPP2CA (rs10491322 and rs7704116) with systemic lupus erythematosus susceptibility in a Chinese Han population. Furthermore, the minor allele of PPP2CA rs10491322 as a risk factor was correlated with immunologic disorders for systemic lupus erythematosus. PMID: 29979448
  7. RAB9 competes with the catalytic subunit PPP2CA in binding to PPP2R1A. This competitive association has an important role in controlling the PP2A catalytic activity. PMID: 27611305
  8. Results show that miR-199b is a tumor suppressor emerges as a potential contributing mechanism to inhibit PP2A via PP2A inhibitor SET (SET) overexpression in metastatic colorectal cancer (mCRC). PMID: 27517624
  9. Data show that protein phosphatase-2A (PP2A) was upregulated in lung adenocarcinoma cell lines that were transfected with midline 1 E3 ubiquitin-protein ligase (MID1)-siRNA, suggesting MID1 negatively regulates PP2A in lung adenocarcinoma. PMID: 29450633
  10. B55alpha-PP2A mutations in acute myeloid leukemia have roles in leukemogenesis by promoting AKT T308 phosphorylation and sensitivity to AKT inhibitor-induced growth arrest PMID: 27531894
  11. This work has significantly advanced our understanding of the RACK1/PP2A complex and suggests a pro-carcinogenic role for the RACK1/PP2A interaction. This work suggests that approaches to target the RACK1/PP2A complex are a viable option to regulate PP2A activity and identifies a novel potential therapeutic target in the treatment of breast cancer. PMID: 27600565
  12. Moreover, PP2Acalpha2-overexpressed cells demonstrated increased expression of IGBP1, activated mTORC1 signaling to reduce basal autophagy and increased anchorage-independent growth. Our study provides new insights into the complex mechanisms of PP2A regulation. PMID: 29066346
  13. protein phosphatase 2A (PP2A)-mediated Raf-MEK-ERK signaling was involved in glutaminolysis in endothelial cells. PMID: 27612201
  14. Studies indicate that protein phosphatase methylesterase-1 (PME-1) negatively regulates protein phosphatase 2A (PP2A) activity by highly complex mechanisms. PMID: 27913678
  15. Binding of PP2A and Akt increased in response to cAMP or phosphatidic acid (PA), suggesting that their binding is directly responsible for the inactivation of Akt during decidualization. PMID: 27696687
  16. Knockdown of Alpha4 preferentially impacts the expression of PP4c and PP6c compared to expression levels of PP2Ac. PMID: 27169767
  17. these data support a role for the novel PP2Ac-CIN85 complex in supporting integrin-dependent platelet function by dampening the phosphatase activity. PMID: 27334924
  18. PP2Ac upregulation has a poor prognostic impact on the overall survival of hepatocellular carcinoma (HCC) patients and contributes to the aggressiveness of HCC. PP2Ac may represent a potential therapeutic target for HCC. PMID: 26618405
  19. Data show that downregulating proto-oncogene protein Akt (p-Akt) by inhibiting PP2A inhibitor SET-mediated protein phosphatase 2A (PP2A) inactivation determined the pro-apoptotic effects of EMQA and paclitaxel combination treatment. PMID: 26575017
  20. Data suggest a critical role for the I2PP2A protein (SET)-protein phosphatase-2A (PP2A) signaling axis in Pten protein (Pten) deficient castration resistant prostate cancer (CRPC) progression. PMID: 26563471
  21. that loss of glucocerebrosidase function may contribute to SNCA accumulation through inhibition of autophagy via PPP2A inactivation PMID: 26378614
  22. Data show that loss of epithelial membrane protein 2 (EMP2) is involved in sphingosylphosphorylcholine (SPC)-induced phosphorylation of keratin 8 (K8) via ubiquitination of protein phosphatase 2 (PP2A) through alpha4 phosphoprotein by caveolin-1 (cav-1). PMID: 26876307
  23. Data show that the protein phosphatase 2A (PP2A)/c-jun N-Terminal Kinase (JNK)/Sp1 transcription factor/CDK1 kinase pathway and the autophagy/cyclin kinase inhibitor p21 pathway participated in G2/M cell cycle arrest triggered by PP2A inhibitors. PMID: 26053095
  24. Data indicate that LB100 attenuates protein phosphatase 2A (PP2A) activity alone and following radiation. PMID: 25939762
  25. Concurrent mTORC1 inactivation and PP2A-B55alpha stimulation fuel ULK1-dependent autophagy. PMID: 26310906
  26. Data show that the biogical effect of inhibitor-2 of protein phosphatase-2A (SET) on proliferation and invasion was mediated by the inhibition of the protein phosphatase 2A (PP2A). PMID: 25945834
  27. Binding of calmodulin changes the calcineurin regulatory region to a less dynamic conformation. PMID: 25956027
  28. MID1 catalyzes the ubiquitination of protein phosphatase 2A and mutations within its Bbox1 domain disrupt polyubiquitination of alpha4 but not of PP2Ac in X-linked Opitz syndrome. PMID: 25207814
  29. Mutations in the structurally buried D38 residue of PP2Calpha (PPM1A) redefined the water-mediated hydrogen network in the active site and selectively disrupted M2 metal ion binding. PMID: 25708299
  30. possible role of an miR-155-PP2Ac loop in regulating IL-2 release PMID: 25253569
  31. Increased PP2A activity and reduced phosphorylation of PP2A were observed in alpha-synuclein overexpression primary cortex neurons. PMID: 25567480
  32. Idiopathic pulmonary fibrosis fibroblast interaction with polymerized type I collagen results in an aberrant PP2A/HDAC4 axis, which suppresses miR-29, causing a pathologic increase in type I collagen expression. PMID: 25612003
  33. Alterations affecting PP2A subunits together with the deregulation of endogenous PP2A inhibitors such as CIP2A and SET have been described as contributing mechanisms to inactivate PP2A in prostate cancer. PMID: 26234767
  34. GSK-3b and PP2A regulate each other and control tau phosphorylation both directly and indirectly through each other. PMID: 25219467
  35. Reduced expression of PP2A/PR65 in ameloblastoma compared with normal oral mucosa indicates that PP2A/PR65 is involved in the occurrence and development of ameloblastoma. PMID: 24054836
  36. HSP105 depletion disrupts the integration of protein phosphatase 2A into the beta-catenin degradation complex, favoring the hyperphosphorylation and degradation of beta-catenin. PMID: 25645927
  37. Data suggest that expression of PP2A (protein phosphatase 2 catalytic subunit alpha) and PTEN (phosphatase and tensin homolog) is down-regulated in adenomyosis as compared to normal endometrium; expression of survivin appears to be up-regulated. PMID: 25152517
  38. Studies indicate that oncoprotein CIP2A (KIAA1524) controls oncogenic cellular signals by suppressing protein phosphatase 2A (PP2A). PMID: 25015035
  39. Findings suggest the possible contribution of SET protein to the tumor progression and the utility of protein phosphatase 2A (PP2A) activator, FTY720 for treatment of alveolar soft part sarcoma (ASPS). PMID: 24621013
  40. this study suggests that the tightly linked regulatory loop comprised of the SIK2-PP2A and CaMKI and PME-1 networks may function in fine-tuning cell proliferation and stress response. PMID: 24841198
  41. These results suggest that the aberrant expression of PP2A in human clear cell renal cell carcinoma PMID: 24696731
  42. decreased eEF2 phosphorylation, mediated by increased PP2A activity, contributes to resistance to HER2 inhibition and may provide novel targets for therapeutic intervention in HER2 positive breast cancer which is resistant to HER2 targeted therapies. PMID: 24958351
  43. PPP2AC activity is required for SREBP-2 DNA binding. PMID: 24770487
  44. Phosphorylated PP2A is an alteration that determines poor outcome in metastatic colorectal cancer. PMID: 25003662
  45. the alpha4 N-terminus binding to endogenous PP2Ac and PABP, and the C-terminus to EDD, is reported. PMID: 24145130
  46. Our findings suggest that PPP2CA downregulation serves as a molecular link between gain of castration-resistance and aggressive PCa phenotype, and its restoration could be an effective preventive/therapeutic approach against the advanced disease. PMID: 24642616
  47. This result combined with a number of biophysical analyses provide evidence that the coiled coil domain of striatin 3 and the PP2A A subunit form a stable core complex with a 2:2 stoichiometry PMID: 24550388
  48. Inhibition of PP2A by okadaic acid curtailed the free fatty acids induced upregulation of SREBP1 expression, fatty acid synthase promoter transcriptional activity and lipid accumulation in HepG2 cells PMID: 23184344
  49. PP2A constitutively dephosphorylates dCK in cells and negatively regulates its activity. PMID: 24462681
  50. Data indicate that TCDD or omeprazole caused protein phosphatase 2A (PP2A)-mediated dephosphorylation of Sp1 transcription factor at Ser-59 and induced CYP1A1 transcription. PMID: 24382322

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Subcellular Location
Cytoplasm. Nucleus. Chromosome, centromere. Cytoplasm, cytoskeleton, spindle pole.
Protein Families
PPP phosphatase family, PP-1 subfamily
Database Links

HGNC: 9299

OMIM: 176915

KEGG: hsa:5515

STRING: 9606.ENSP00000418447

UniGene: Hs.105818

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