Abstract
The catalytic subunit of PP2A (PP2Ac) can be purified in milligram quantities from bovine heart using ethanol precipitation, ammonium sulfate precipitation, ion exchange and size exclusion chromatography. The detailed procedure is described to purify PP2Ac over 4 d.
Access this chapter
Tax calculation will be finalised at checkout
Purchases are for personal use only
References
Hubbard, M. J. and Cohen, P. (1993) On target with a new mechanism for the regulation of protein phosphorylation. Trends Biochem. Sci. 18, 172–177.
Johnson, D. F., Moorhead, G., Caudwell, F. B., et al. (1996) Identification of protein-phosphatase-1-binding domains on the glycogen and myofibrillar targetting subunits. Eur. J. Biochem. 239, 317–325.
Moorhead, G., MacKintosh, R. W., Morrice, N., Gallagher, T., and MacKintosh, C. (1994) Purification of type 1 protein (serine/threonine) phosphatases by microcystin-Sepharose affinity chromatography. FEBS Lett. 356, 46–50.
Janssens, V., and Goris, J. (2001) Protein phosphatase 2A: a highly regulated family of serine/threonine phosphatases implicated in cell growth and signalling. Biochem. J. 353, 417–439.
Moorhead, G., Douglas, P., Cotelle, V., et al. (1999) Phosphorylation-dependent interactions between enzymes of plant metabolism and 14-3-3 proteins. Plant J. 18, 1–12.
Rubio, M. P., Geraghty, K. M., Wong, B. H., et al. (2004) 14-3-3-Affinity purification of over 200 human phosphoproteins reveals new links to regulation of cellular metabolism, proliferation and trafficking. Biochem. J. 379, 395–408.
Cohen, P., Alemany, S., Hemmings, B. A., Resink, T. J., Stralfors, P., and Tung, H. Y. (1988) Protein phosphatase-1 and protein phosphatase-2A from rabbit skeletal muscle. Methods Enzymol. 159, 390–408.
Krebs, E. G., Kent, A. B., and Fischer, E. H. (1958) The muscle phosphorylase b kinase reaction. J. Biol. Chem. 231, 73–83.
Cohen, P. (1983) Phosphorylase kinase from rabbit skeletal muscle. Methods Enzymol. 99, 243–250.
MacKintosh, C. and Moorhead, G. (1999) Assay and purification of protein (serine/threonine) phosphatases, in Protein Phosphorylation: A Practical Approach (Hardie, D. G., ed.), Oxford University Press, New York, pp. 153–181.
Author information
Authors and Affiliations
Editor information
Editors and Affiliations
Rights and permissions
Copyright information
© 2007 Humana Press Inc.
About this protocol
Cite this protocol
Tran, H.T., Ferrar, T.S., Ulke-Lemée, A., Moorhead, G.B.G. (2007). Purification of PP2Ac from Bovine Heart. In: Moorhead, G. (eds) Protein Phosphatase Protocols. Methods in Molecular Biology, vol 365. Springer, Totowa, NJ. https://doi.org/10.1385/1-59745-267-X:127
Download citation
DOI: https://doi.org/10.1385/1-59745-267-X:127
Publisher Name: Springer, Totowa, NJ
Print ISBN: 978-1-58829-711-2
Online ISBN: 978-1-59745-267-0
eBook Packages: Springer Protocols