SNAP-CellBlock from New England Biolabs

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New England Biolabs for
SNAP-CellBlock

Description

SNAP-Cell Block™ (bromothenylpteridine, BTP) is a non-fluorescent compound that blocks the reactivity of the SNAP-tag™ in live cells. It can be used to generate inactive controls in live cell labeling experiments performed with SNAP-tag fusion proteins. BTP is highly membrane permeable and once in the cell reacts with the SNAP-tag, irreversibly inactivating it for subsequent labeling steps.