Product: PP2A-alpha Antibody
Catalog: AF4753
Description: Rabbit polyclonal antibody to PP2A-alpha
Application: WB
Reactivity: Human, Mouse, Rat
Prediction: Pig, Zebrafish, Bovine, Horse, Rabbit, Chicken, Xenopus
Mol.Wt.: 35kDa; 36kD(Calculated).
Uniprot: P67775
RRID: AB_2844748

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Product Info

Source:
Rabbit
Application:
WB 1:500-1:2000
*The optimal dilutions should be determined by the end user.
*Tips:

WB: For western blot detection of denatured protein samples. IHC: For immunohistochemical detection of paraffin sections (IHC-p) or frozen sections (IHC-f) of tissue samples. IF/ICC: For immunofluorescence detection of cell samples. ELISA(peptide): For ELISA detection of antigenic peptide.

Reactivity:
Human,Mouse,Rat
Prediction:
Pig(100%), Zebrafish(100%), Bovine(100%), Horse(100%), Rabbit(100%), Chicken(100%), Xenopus(100%)
Clonality:
Polyclonal
Specificity:
PP2A-alpha Antibody detects endogenous levels of total PP2A-alpha.
RRID:
AB_2844748
Cite Format: Affinity Biosciences Cat# AF4753, RRID:AB_2844748.
Conjugate:
Unconjugated.
Purification:
The antiserum was purified by peptide affinity chromatography using SulfoLink™ Coupling Resin (Thermo Fisher Scientific).
Storage:
Rabbit IgG in phosphate buffered saline , pH 7.4, 150mM NaCl, 0.02% sodium azide and 50% glycerol. Store at -20 °C. Stable for 12 months from date of receipt.
Alias:

Fold/Unfold

PP2A alpha; PP2A-alpha; PP2AA_HUMAN; PP2Aalpha; PP2Ac; PP2CA; PP2Calpha; PPP2CA; Protein phosphatase 2 (formerly 2A) catalytic subunit alpha isoform; Protein phosphatase 2 catalytic subunit alpha isoform; Protein phosphatase 2, catalytic subunit, alpha isozyme; Protein phosphatase 2A catalytic subunit, alpha isoform; Replication protein C; RP C; RP-C; RPC; Serine/threonine protein phosphatase 2A catalytic subunit alpha isoform; Serine/threonine-protein phosphatase 2A catalytic subunit alpha isoform;

Immunogens

Immunogen:
Uniprot:
Gene(ID):
Sequence:
MDEKVFTKELDQWIEQLNECKQLSESQVKSLCEKAKEILTKESNVQEVRCPVTVCGDVHGQFHDLMELFRIGGKSPDTNYLFMGDYVDRGYYSVETVTLLVALKVRYRERITILRGNHESRQITQVYGFYDECLRKYGNANVWKYFTDLFDYLPLTALVDGQIFCLHGGLSPSIDTLDHIRALDRLQEVPHEGPMCDLLWSDPDDRGGWGISPRGAGYTFGQDISETFNHANGLTLVSRAHQLVMEGYNWCHDRNVVTIFSAPNYCYRCGNQAAIMELDDTLKYSFLQFDPAPRRGEPHVTRRTPDYFL

Predictions

Predictions:

Score>80(red) has high confidence and is suggested to be used for WB detection. *The prediction model is mainly based on the alignment of immunogen sequences, the results are for reference only, not as the basis of quality assurance.

Species
Results
Score
Pig
100
Horse
100
Bovine
100
Xenopus
100
Zebrafish
100
Chicken
100
Rabbit
100
Sheep
0
Dog
0
Model Confidence:
High(score>80) Medium(80>score>50) Low(score<50) No confidence

PTMs - P67775 As Substrate

Site PTM Type Enzyme
K4 Acetylation
K4 Sumoylation
K4 Ubiquitination
K8 Sumoylation
K8 Ubiquitination
K21 Ubiquitination
S26 Phosphorylation
K29 Acetylation
K29 Ubiquitination
K34 Ubiquitination
K36 Ubiquitination
K41 Acetylation
K41 Ubiquitination
K74 Ubiquitination
S75 Phosphorylation
T78 Phosphorylation
Y86 Phosphorylation
K136 Ubiquitination
S212 Phosphorylation
Y248 Phosphorylation
Y265 Phosphorylation
C266 S-Nitrosylation
K283 Ubiquitination
Y284 Phosphorylation
R295 Methylation
T304 Phosphorylation
Y307 Phosphorylation P06213 (INSR) , P00533 (EGFR) , P06239 (LCK) , P12931 (SRC)
L309 Methylation

PTMs - P67775 As Enzyme

Substrate Site Source
O43524 (FOXO3) T32 Uniprot

Research Backgrounds

Function:

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 (By similarity). Can dephosphorylate SV40 large T antigen and p53/TP53. Activates RAF1 by dephosphorylating it at 'Ser-259'.

PTMs:

Reversibly methyl esterified on Leu-309 by leucine carboxyl methyltransferase 1 (LCMT1) and protein phosphatase methylesterase 1 (PPME1). Carboxyl methylation influences the affinity of the catalytic subunit for the different regulatory subunits, thereby modulating the PP2A holoenzyme's substrate specificity, enzyme activity and cellular localization.

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.

Polyubiquitinated, leading to its degradation by the proteasome.

Subcellular Location:

Cytoplasm. Nucleus. Chromosome>Centromere. Cytoplasm>Cytoskeleton>Spindle pole.
Note: In prometaphase cells, but not in anaphase cells, localizes at centromeres. During mitosis, also found at spindle poles. Centromeric localization requires the presence of SGO2 (By similarity).

Extracellular region or secreted Cytosol Plasma membrane Cytoskeleton Lysosome Endosome Peroxisome ER Golgi apparatus Nucleus Mitochondrion Manual annotation Automatic computational assertionSubcellular location
Subunit Structure:

PP2A consists of a common heterodimeric core enzyme, composed of PPP2CA a 36 kDa catalytic subunit (subunit C) and PPP2R1A a 65 kDa constant regulatory subunit (PR65 or subunit A), that associates with a variety of regulatory subunits. Proteins that associate with the core dimer include three families of regulatory subunits B (the R2/B/PR55/B55, R3/B''/PR72/PR130/PR59 and R5/B'/B56 families), the 48 kDa variable regulatory subunit, viral proteins, and cell signaling molecules. Interacts with NXN; the interaction is direct (By similarity). Interacts with KCTD20 (By similarity). Interacts with BTBD10 (By similarity). Interacts with SGO1 and SGO2. Interacts with TP53. Interacts with AXIN1; the interaction dephosphorylates AXIN1. Interacts with PIM3; this interaction promotes dephosphorylation, ubiquitination and proteasomal degradation of PIM3. Interacts with RAF1. Interaction with IGBP1 protects unassembled PPP2CA from degradative ubiquitination. Interacts with GSK3B (via C2 domain). Interacts with MFHAS1; retains PPP2CA into the cytoplasm and excludes it from the nucleus. Interacts with FAM122A. Interacts with ADCY8; interaction is phosphatase activity-dependent; antagonizes interaction between ADCY8 and calmodulin. Interacts with CRTC3 (when phosphorylated at 'Ser-391').

Family&Domains:

Belongs to the PPP phosphatase family. PP-1 subfamily.

Research Fields

· Cellular Processes > Cell growth and death > Oocyte meiosis.   (View pathway)

· Cellular Processes > Transport and catabolism > Autophagy - other.   (View pathway)

· Cellular Processes > Transport and catabolism > Autophagy - animal.   (View pathway)

· Cellular Processes > Cellular community - eukaryotes > Tight junction.   (View pathway)

· Environmental Information Processing > Signal transduction > Sphingolipid signaling pathway.   (View pathway)

· Environmental Information Processing > Signal transduction > PI3K-Akt signaling pathway.   (View pathway)

· Environmental Information Processing > Signal transduction > AMPK signaling pathway.   (View pathway)

· Environmental Information Processing > Signal transduction > TGF-beta signaling pathway.   (View pathway)

· Environmental Information Processing > Signal transduction > Hippo signaling pathway.   (View pathway)

· Genetic Information Processing > Translation > mRNA surveillance pathway.

· Human Diseases > Infectious diseases: Parasitic > Chagas disease (American trypanosomiasis).

· Human Diseases > Infectious diseases: Viral > Hepatitis C.

· Human Diseases > Infectious diseases: Viral > Human papillomavirus infection.

· Organismal Systems > Circulatory system > Adrenergic signaling in cardiomyocytes.   (View pathway)

· Organismal Systems > Nervous system > Dopaminergic synapse.

· Organismal Systems > Nervous system > Long-term depression.

References

1). Therapeutic Mechanism of Kai Xin San on Alzheimer’s Disease Based on Network Pharmacology and Experimental Validation. Chinese Journal of Integrative Medicine (PubMed: 36474082) [IF=2.9]

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