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SNAP-tag Substrates Products

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


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SNAP-tag® Substrates
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BG-GLA-NHS

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BG-Maleimide

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BG-PEG-NH2

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SNAP-Biotin®

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SNAP-Cell® 505-Star

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SNAP-Cell® Block

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SNAP-Cell® Oregon Green®

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SNAP-Cell® TMR-Star

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SNAP-Cell® 430

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SNAP-Cell® 647-SiR

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SNAP-Surface® 488

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SNAP-Surface® 549

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SNAP-Surface® 594

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SNAP-Surface® 649

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SNAP-Surface® Alexa Fluor® 488

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SNAP-Surface® Alexa Fluor® 546

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SNAP-Surface® Alexa Fluor® 647

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SNAP-Surface® Block