Provides a convenient non-isotopic alternative to radiolabeled NAD+ for determination of IC50 values for candidate PARP inhibitors and studies requiring this substrate. Biotinylated-NAD+ allows an indirect measure of PARP activity when biotin incorporation is detected using a conjugated-streptavidin detection system. Acts as a substrate for ADP-ribosylation. Can be used to label and purify biotinyl-ADP ribosylated proteins. This product is a replacement for R&D Systems product 4670-500-01. 131 μg is supplied as 500 μl of a 0.25 mM solution in water.
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