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Cyclic AMP-dependent protein kinase phosphorylates serine378 in vitronectin
Biochemical and Biophysical Research Communications, 1991We previously observed that Ser378 in the heparin-binding domain of vitronectin becomes phosphorylated by a protein kinase in plasma upon addition of ATP and divalent cations. We now report that purified plasma vitronectin contains approximately 2.5 mol of phosphate per mol of protein and that vitronectin becomes phosphorylated during biosynthesis in ...
Douglas M. Tollefsen +2 more
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Cyclic AMP-dependent protein kinase from Ustilago maydis
Molecular and Cellular Biochemistry, 1984Ustilago maydis was surveyed for cyclic AMP-dependent protein kinase activity. Using a combination of ion-exchange and molecular filtration techniques, we demonstrate that there is only one form of cyclic AMP-dependent protein kinase in the cytosolic fraction of the fungus.
Susana Passeron, Néstor Kerner
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Reversible inhibition of cyclic AMP-dependent protein kinase by insulin
Molecular and Cellular Biochemistry, 1978Extracts of fasted rat diaphragms, previously treated with or without insulin were assayed for glycogen synthase, protein kinase and cyclic [3H]-AMP binding. Treatment with insulin produced an elevation in the % of glycogen synthase I and a concurrent decrease in cyclic AMP-dependent protein kinase activity and cyclic [3H]-AMP binding.
Richard Hazen +2 more
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Cyclic AMP-dependent and -independent protein kinases in HeLa cells
Archives of Biochemistry and Biophysics, 1980Abstract The protein kinase activities of HeLa cell cytosol have been characterized. Differentiation between cyclic AMP-dependent and -independent kinase activities was achieved by the use of purified specific cyclic AMP-dependent protein kinase inhibitor.
Daniel L. Friedman +2 more
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Inactivation of phosphofructokinase 2 by cyclic AMP-dependent protein kinase
Biochemical and Biophysical Research Communications, 1981Abstract Treatment with the catalytic subunit of cyclic AMP-dependent protein kinase induced the following modifications in the kinetic properties of purified phosphofructokinase 2. The affinity for Fru-6-P, the Vmax and the stimulatory effect of Pi were decreased; the inhibitory actions of P-enol-pyruvate and citrate were increased; the pH activity ...
Dewi R. Davies +5 more
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Cyclic AMP-dependent and cyclic GMP-dependent protein kinases of nervous tissue.
Current Topics in Cellular Regulation, 1981Publisher Summary This chapter focuses on cyclic AMP (cAMP)-dependent and cyclic GMP (cGMP) -dependent protein kinases of nervous tissue. Information about cAMP-dependent and cGMP-dependent protein kinases of brain has increased considerably over the last few years. It is now fairly well established that two types of cAMP-dependent protein kinase and
Ulrich Walter, P. Greengard
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Distribution of cyclic AMP-dependent protein kinase in the bovine cornea
Experimental Eye Research, 1981Soluble and particulate fractions of bovine corneal epithelium, stroma and endothelium were prepared and assayed for protein kinase activity. All preparations exhibited measurable activity in the absence of cyclic AMP (cyclic AMP-independent activity) as well as significant enzyme stimulation in its presence (cyclic AMP-dependent activity).
Ronald E. Barr +2 more
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Cyclic AMP-dependent and independent protein kinases in Ascaridia galli
Molecular and Biochemical Parasitology, 1984The occurrence of multiple protein kinases, distinguished with respect to molecular weight and preference for acceptor proteins, was demonstrated in Ascaridia galli. The molecular weights of the cyclic AMP-dependent protein kinase and of phosvitin kinase I and II - both independent of cyclic AMP-were determined to be 160000, greater than 200000 and ...
Emilian Ossikovski, Rolf D. Walter
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Cyclic AMP-dependent protein kinase in calf-snout epidermis
Archives of Dermatological Research, 1986The biochemical characteristics of cyclic AMP-dependent protein kinase in calf-snout epidermis were investigated. The activity of cyclic AMP-dependent protein kinase was higher in the lower layer than the upper layer of epidermis. The supernatant of homogenates of the lower layer of calf-snout epidermis was fractionated by DEAE-cellulose chromatography
K. Ikai, J. S. McGuire
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Identification of Cyclic AMP-Dependent Protein Kinase Activity in Acanthamoeba
Clinical Infectious Diseases, 1991a cellulose layer and forms drug-resistant mature cysts. Acanthamoeba cells increase their production of cyclic AMP (cAMP) in response to activation of the enzyme adenylate cyclase either at the stationary phase of growth or during encystment in nonnutrient medium.
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