Potentiation of serotonin N-acetyltransferase activity by protein kinase A and C involves two specific phosphorylation sites.

  • Park, Bo-Hwa (Department of Biology, College of Natural Science, Kyungpook National University) ;
  • Chae, Hee-Don (Department of Life Science, Division of Molecular and Life Science, Pohang University of Science and Technolog) ;
  • Park, Tae-Ju (Department of Life Science, Division of Molecular and Life Science, Pohang University of Science and Technolog) ;
  • Kang, Shin-Sung (Department of Biology, College of Natural Science, Kyungpook National University) ;
  • Kim, Kyong-Tai (Department of Life Science, Division of Molecular and Life Science, Pohang University of Science and Technology)
  • Published : 2001.06.01

Abstract

Gene expression and protein levels of serotonin N-acetyltransferase (AA-NAT, EC2.3.1.87) directly control the diurnal production of the melatonin and correlate with enzyme activity. Effects of protein phosphorylation on the AA-NAT activity were investigated in rat pineal glands and COS-7 cells transiently transfected with AA-NAT cDNA.(omitted)

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