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Protein phosphatases active on acetyl-CoA carboxylase phosphorylated by casein kinase I, casein kinase II and the cAMP-dependent protein kinase

Authors
Journal
Biochemical and Biophysical Research Communications
0006-291X
Publisher
Elsevier
Publication Date
Volume
130
Issue
3
Identifiers
DOI: 10.1016/0006-291x(85)91733-4
Disciplines
  • Biology

Abstract

Abstract The protein phosphatases in rat liver cytosol, active on rat liver acetyl-CoA carboxylase (ACC) phosphorylated by casein kinase I, casein kinase II and the cAMP-dependent protein kinase, have been partially purified by anion-exchange and gel filtration chromatography. The major phosphatase activities against all three substrates copurify through fractionation and appear to be identical to protein phosphatases 2A1 and 2A2. No unique protein phosphatase active on 32P-ACC phosphorylated by the casein kinases was identified.

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