|Application ||WB, IHC|
|Reactivity||Human, Mouse, Rat|
|Calculated MW||35594 Da|
|Other Names||Serine/threonine-protein phosphatase 2A catalytic subunit alpha isoform, PP2A-alpha, Replication protein C, RP-C, PPP2CA|
|Target/Specificity||A synthetic phospho-peptide corresponding to residues surrounding Tyr307 of human PP2A was used as immunogen. The antibody only detects PP2A phosphorylated on Tyrosine 307. Predicted to cross-react with mouse, rat, bovine and pig, based on sequence homology.|
|Format||50 mM Tris-Glycine (pH 7.4), 0.15 M NaCl, 40% Glycerol, 0.01% sodium azide and 0.05% BSA.|
|Storage||Maintain refrigerated at 2-8°C for up to 6 months. For long term storage store at -20°C in small aliquots to prevent freeze-thaw cycles.|
|Precautions||PP2A Antibody Phospho (pY307) is for research use only and not for use in diagnostic or therapeutic procedures.|
|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'.|
|Cellular 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).|
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Provided below are standard protocols that you may find useful for product applications.
Protein phosphatase type 2A (PP2A) is a protein serine/threonine phosphatase that controls fundamental cellular processes, including transcription, translation, metabolism, cell growth, apoptosis, and varied other signal transduction pathways (1-3). PP2A is comprised of a core enzyme, which is made up of catalytic C and regulatory A (PR65) subunits, and a secondary regulatory B subunit. This B subunit contains four different protein families. In response to EGF or insulin, it has been shown that Src phosphorylates PP2A at Tyr307, thereby inactivating PP2A (4).
1. Janssens, V. and J. Goris. Protein phosphatase 2A: a highly regulated family of serine/threonine phosphatases implicated in cell growth and signalling. Biochem. J. 353: 417
2. Zabrocki, P., et al. Protein phosphatase 2A on track for nutrient-induced signalling in yeast. Mol. Microbiol. 43: 835
3. Milward, T.A., et al. Regulation of protein kinase cascades by protein phosphatase 2A. Trends Biochem. Sci. 24: 186
4. Chen, J., et al. Regulation of protein serine-threonine phosphatase type-2A by tyrosine phosphorylation. Science 257: 1261-1264 (1992).
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