For optimal flexibility with existing technologies, biotinylated labels are available for studies using streptavidin platforms. Cell-permeable SNAP-Biotin (NEB #S9110) and CLIP-Biotin (NEB #S9221) are suitable for applications such as biotinylation of fusion proteins in or on living cells for detection with streptavidin fluorophore conjugates or labeling in solution for analysis by SDS-PAGE/Western blot. Biotin labels are also used for binding and protein interaction studies.
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