title: Evidence for two molecular forms of streptococcal erythrogenic toxin. Conversion to a single form by 2-mercaptoethanol.
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D002845:Chromatography; D002848:Chromatography, DEAE-Cellulose; D004586:Electrophoresis; D005779:Immunodiffusion; D008623:Mercaptoethanol; D008970:Molecular Weight; D010455:Peptides; D013053:Spectrophotometry; D013297:Streptococcus pyogenes; D013438:Sulfhydryl Compounds; D014118:Toxins, Biological; D014461:Ultracentrifugation
chemical_list: D010455:Peptides; D013438:Sulfhydryl Compounds; D014118:Toxins, Biological; D008623:Mercaptoethanol