title: On the nature of cellular ADP-ribosyltransferase from rat liver specific for elongation factor 2.
abstract: A cellular ADP-ribosyltransferase, specific for elongation factor 2 (EF-2), is found in extracts from rat liver. Co-migrating with EF-2 throughout purification, this activity is, moreover, located in the protein bands corresponding to EF-2 after native or sodium dodecyl sulfate polyacrylamide gel electrophoresis. The observed activity is thus implicated to be an inherent property of EF-2. Preincubation of EF-2 with GuoPPCH2Pox inhibits endogenous, but not diphtheria toxin catalyzed ADP-ribosylation.
mesh_terms: D036002:ADP Ribose Transferases; D000246:Adenosine Diphosphate Ribose / Q000378:metabolism; D000818:Animals; D004167:Diphtheria Toxin / Q000494:pharmacology; D004591:Electrophoresis, Polyacrylamide Gel; D006160:Guanosine Triphosphate / Q000031:analogs & derivatives / Q000494:pharmacology; D007700:Kinetics; D008099:Liver / Q000201:enzymology*; D010430:Pentosyltransferases / Q000378:metabolism*; D020652:Peptide Elongation Factor 2; D010445:Peptide Elongation Factors / Q000378:metabolism*; D051381:Rats
chemical_list: D004167:Diphtheria Toxin; D020652:Peptide Elongation Factor 2; D010445:Peptide Elongation Factors; D000246:Adenosine Diphosphate Ribose; C011265:guanosine 5'-(beta,gamma-methylene)triphosphate; D006160:Guanosine Triphosphate; D036002:ADP Ribose Transferases; D010430:Pentosyltransferases