Protein kinase modulator from lobster tail muscle. I. Stimulatory and inhibitory effects of the modulator on the phosphorylation of substrate proteins by guanosine 3',5'-monophosphate-dependent and adenosine 3',5'-monophosphate-dependent protein kinases.

Amino Acids/analysis Animals Bombyx/enzymology Calcium Phosphates Cattle Chromatography Chromatography, DEAE-Cellulose Cyclic AMP Cyclic GMP Drug Stability Electrophoresis, Disc Enzyme Activation Hot Temperature Hydroxyapatites Muscle Proteins/analysis,isolation & purification Muscles/enzymology Myocardium/enzymology Nephropidae Phosphorus Isotopes Phosphotransferases Protein Kinase Inhibitors Protein Kinases/isolation & purification

Amino Acids Calcium Phosphates Hydroxyapatites Muscle Proteins Phosphorus Isotopes Protein Kinase Inhibitors Cyclic AMP Phosphotransferases Protein Kinases Cyclic GMP