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    CLIP-tag™ Substrates

    SNAP-tag®, CLIP-tag™ and ACP/MCP-tag Substrate Selection Chart

    NEB offers a large selection of fluorescent labels (substrates) for SNAP-, CLIP-, ACP- and MCP-tag fusion proteins.

    NEB offers a large selection of fluorescent labels (substrates) for CLIP-fusion proteins. CLIP-tag™ substrates consist of a fluorophore conjugated to a cytosine leaving group via a benzyl linker. Substrates label the CLIP-tag without the need for additional enzymes. Cell-permeable substrates (CLIP-Cell™) are suitable for both intracellular and cell-surface labeling, whereas non-cell-permeable substrates (CLIP-Surface™) are specific for fusion proteins expressed on the cell surface only.

    CLIP-tag™, CLIP-Cell™ and CLIP-Surface™ are trademarks of New England Biolabs, Inc.

    • Fluorescent Labeling of COS-7 Expressing SNAP-tag® Fusion Proteins for Live Cell Imaging

      Watch as Chris Provost, of New England Biolabs, performs fluorescent imaging of live COS-7 cells expressing SNAP-tag® fusion proteins.

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    • SNAP-tag® Overview Tutorial

      View an interactive tutorial explaining the mechanism of our SNAP-tag® technologies and reagents available for researchers wishing to study the function and localization of proteins in live or fixed cells.

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