Diphtheria Toxin (100µg)
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Diphtheria Toxin (100µg) (QTXAG-120-100) is purified native diphtheria toxin from Corynebacterium diphtheriae, greater than 98% purity.
Diphtheria toxin is a native protein produced by culture of Corynebacterium diphtheriae strain NCTC 10648 in optimal growth medium, followed by harvest, concentration, and purification through several rounds of chromatography. This results in a toxin >98% pure by SDS-PAGE and of high quality and minimal lot-to-lot variation, suitable for IVD assays, cellular research and in vivo work. It is offered in 1mg vial size and the toxin is lyophilised for ease of transportation and storage. Each batch is activity tested in a DEREG mouse model system.