>30 units/μg, protein antitoxin combining activity (toxoid)(Lowry)
理化性质
外观
lyophilized powder
描述信息
Physical form Lyophilized powder containing Tris buffer salts, sodium chloride, sodium azide, and sodium EDTA. Biochem/physiol Actions The cholera toxin B subunit is used for track tracing in neurological research, taking advantage of GM1 ganglioside binding and retrograde transport. Tissue culture cells treated with cholera toxin are not killed and tissues of animals do not become necrotic.