Enzymatic ADP-ribosylation of proteins and regulation of cellular activity.

Adenosine Diphosphate Binding Sites Carbon Radioisotopes Chromatography Chromatography, Ion Exchange Diphtheria Antitoxin/pharmacology Diphtheria Toxin/metabolism Electrophoresis, Paper Hydrogen-Ion Concentration Hydrolases/metabolism Hydroxyapatites Isoelectric Focusing Kinetics Molecular Weight N-Glycosyl Hydrolases/metabolism NAD/metabolism Nucleoproteins/metabolism Nucleoside Diphosphate Sugars Nucleotidyltransferases/metabolism Peptide Elongation Factors/isolation & purification Phosphoric Diester Hydrolases/metabolism Protein Binding Ribose Time Factors

Carbon Radioisotopes Diphtheria Antitoxin Diphtheria Toxin Hydroxyapatites Nucleoproteins Nucleoside Diphosphate Sugars Peptide Elongation Factors NAD Adenosine Diphosphate Ribose Nucleotidyltransferases Hydrolases Phosphoric Diester Hydrolases N-Glycosyl Hydrolases