SNAP-Cell TMR-STAR from New England Biolabs

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SNAP-Cell TMR-STAR

Description

SNAP-Cell TMR-Star™ is a red fluorescent substrate that can be used to label SNAP-tag™ fusion proteins inside living cells, on cell surfaces, or in vitro. This cell-permeable substrate (TMR-Star) is based on tetramethylrhodamine and is suitable for standard rhodamine filter sets. It has an excitation maximum at 554 nm and an emission maximum at 580 nm. This package contains 30 nmol of TMR-Star substrate, sufficient to make 10 ml of a 3 µM SNAP-tag fusion protein labeling solution.