Preparing isotope-enriched protein using cell-based expression systems is the most popular method to prepare samples for NMR analysis. By far, the most popular organism used to express labeled protein is E. coli. Mammalian, yeast, and insect cells are used for protein expression when E. coli cannot express the protein in a useable form.

CIL offers a rich array of reagents and products to label E. coli, insect, yeast, and mammalian cells in order to produce uniform or selectively labeled protein suitable for NMR experiments.

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Stable Isotopes for Biomolecular NMR

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