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Article

Identification of Ser38 as the site in cardiac sarcoplasmic reticulum Ca(2+)-ATPase that is phosphorylated by Ca2+/calmodulin-dependent protein kinase.

The Journal of biological chemistry - 21 Oct 1994

Toyofuku T, Curotto Kurzydlowski K, Narayanan N, MacLennan D H

Abstract excerpt

In previous studies (Xu, A., Hawkins, C., and Narayanan, N. (1993) J. Biol. Chem. 268, 8394-8397), the Ca(2+)-ATPase of cardiac muscle sarcoplasmic reticulum (SERCA2) was shown to be phosphorylated by Ca2+/calmodulin-dependent protein kinase II (CaM kinase) on a serine residue, likely to be either Ser38, Ser167, or Ser531. SERCA2 and SERCA2 mutants S38A, S167A, and S531A were expressed in HEK-293 cells and tested...

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PMID: 7929371

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