title: The preparation of stable, biologically active B fragment of diphtheria toxin.
mesh_terms: D001665:Binding Sites; D002470:Cell Survival / Q000187:drug effects; D004167:Diphtheria Toxin / Q000378:metabolism / Q000494:pharmacology; D004229:Dithiothreitol; D004591:Electrophoresis, Polyacrylamide Gel; D006367:HeLa Cells / Q000187:drug effects / Q000378:metabolism; D007461:Iodoacetates; D010446:Peptide Fragments / Q000302:isolation & purification; D011485:Protein Binding; D014118:Toxins, Biological / Q000378:metabolism / Q000494:pharmacology; D014615:Vaccinia
chemical_list: D004167:Diphtheria Toxin; D007461:Iodoacetates; D010446:Peptide Fragments; D014118:Toxins, Biological; D004229:Dithiothreitol