Blocking Agents

NEB offers a number of blocking agents that block the reactivity of SNAP-tag® or CLIP-tag™ intracellularly or on the surface of live cells. They can be used to generate inactive controls in live cell labeling experiments performed with SNAP- or CLIP-tag fusion proteins.

Product NEB # Structure Application Size
SNAP-Cell® Block S9106S
SNAP-tag in live cells and in vitro 100 nmol
CLIP-Cell™ Block S9220S CLIP-tag inside live cells and in vitro 100 nmol
SNAP-Surface® Block S9143S SNAP-tag on the surface of live cells and in vitro 200 nmol

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