title: T antigen of Streptococcus pyogenes: isolation and purification.
abstract: A T antigen preparation free of trypsin was obtained by application of CNBr-Sepharose linked to pure trypsin. Purification on an ion exchange chromatography column results in an electrophoretically homogeneous preparation of T protein.
mesh_terms: D000942:Antigens, Bacterial / Q000302:isolation & purification*; D066298:In Vitro Techniques; D013297:Streptococcus pyogenes / Q000276:immunology*
chemical_list: D000942:Antigens, Bacterial