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Biochemistry, Biophysics, and Structural Biology Commons

Open Access. Powered by Scholars. Published by Universities.®

Molecular Biology

Calcium

Old Dominion University

1984

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Full-Text Articles in Biochemistry, Biophysics, and Structural Biology

Purification And Characterization Of A Camp- And Ca2+-Calmodulin-Independent Glycogen Synthase Kinase From Porcine Renal Cortex, Stephen J. Beebe, Erwin M. Reimann, Keith K. Schlender Feb 1984

Purification And Characterization Of A Camp- And Ca2+-Calmodulin-Independent Glycogen Synthase Kinase From Porcine Renal Cortex, Stephen J. Beebe, Erwin M. Reimann, Keith K. Schlender

Bioelectrics Publications

We recently reported the partial purification of a cAMP-independent and Ca2+-calmodulin-independent glycogen synthase kinase from porcine renal cortex (Schlender, K. K., Beebe, S. J., and Reimann, E. M. (1981) Cold Spring Harbor Conf. Cell Proliferation, 389-400). Subsequent purification indicated that the enzyme preparation consisted of at least three forms of glycogen synthase kinase which could be resolved by ATP gradient elution from aminoethylphosphate-agarose (AEP-agarose). The predominant form of glycogen synthase kinase, which eluted from AEP-agarose between 2 and 6 mM ATP, was purified approximately 800-fold and is designated GSK-A1. It had a molecular weight of 45,000-50,000 ...