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What C. difficile strain was used to generate purified Toxin A (cat#ab123999) and Toxin B (cat#ab124001)?”
Asked on Jun 16 2014
These products were purified from Clostridium difficile strain VPI10463 (which produces toxinotype 0 toxins). The toxins are active, each batch is tested by verocytotoxicity assay and demonstrated to be toxic to cells down to at least 5 ng/ml for toxin A and 0.05 ng/ml for toxin B. No other biological tests are performed on these toxins.
Elisa ThomasAbcam Scientific Support
Answered on Jun 16 2014