title: Beta hemolysin: a persistent impurity in preparations of staphylococcal nuclease and enterotoxin.
abstract: Purified staphylococcal nuclease and enterotoxin B from several sources contained beta hemolysin whose physicochemical resemblances to the other two proteins make its elimination difficult.
mesh_terms: D000645:Ammonium Sulfate; D000818:Animals; D002417:Cattle; D002482:Cellulose; D002499:Centrifugation, Density Gradient; D011232:Chemical Precipitation; D002845:Chromatography; D002850:Chromatography, Gel; D003470:Culture Media; D004768:Enterotoxins / Q000096:biosynthesis / Q000302:isolation & purification*; D004912:Erythrocytes / Q000276:immunology; D006460:Hemolysin Proteins / Q000032:analysis / Q000096:biosynthesis / Q000302:isolation & purification*; D006736:Horses; D006801:Humans; D007106:Immune Sera; D005779:Immunodiffusion; D007122:Immunoelectrophoresis; D008970:Molecular Weight; D011817:Rabbits; D012260:Ribonucleases / Q000096:biosynthesis / Q000302:isolation & purification*; D012756:Sheep; D012965:Sodium Chloride; D013210:Staphylococcus / Q000032:analysis* / Q000201:enzymology / Q000378:metabolism
chemical_list: D003470:Culture Media; D004768:Enterotoxins; D006460:Hemolysin Proteins; D007106:Immune Sera; D012965:Sodium Chloride; D002482:Cellulose; D012260:Ribonucleases; D000645:Ammonium Sulfate