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List Biological Laboratories Inc Diphtheria Toxin CRM197 Mutant, Native, 0.25 mg
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Supplier:  List Biological Laboratories Inc 149A

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Since 1978, List Labs products are unsurpassed in quality, consistency, and reliability for the success of your research and development project! Cross reacting material (CRM197) is a nontoxic variant of diphtheria toxin with a single mutation (resulting in a Glycine to Glutamate substitution at postion 52). CRM functions as a carrier protein for polysaccharides and haptens making them immunogenic. CRM is widely used in polysaccharde conjugate vaccines. CRM197 has the advantage of being a well defined protein in contrast to formaldehyde treated toxin (toxoid) which is non-specifically cross linked and subject to rearrangement and loss of epitopes. List Labs CRM197 is purified from the native mutant strain maintaining structural and immunological integrity.

Catalog No. NC1992393


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