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Aat Bioquest HIS Lite™ iFluor™ 647 Tris NTA Chelator, 100 ug
Supplier: Aat Bioquest 12658
iFluor® 647 Tris-NTA Chelator is used as a sensitive red fluorescent probe for detecting polyhistidine-labeled proteins in combination with the addition of a heavy metal ion such as Ni2+ in cells, solution and solid surfaces. Fluorescent tris-NTA compounds provide an efficient method for site-specific and stable noncovalent fluorescence labeling of polyhistidine-tagged proteins. In contrast to the transient binding of conventional mono-NTA, the multivalent interaction of tris-NTA conjugated fluorophores form a much more stable complex with polyhistidine-tagged proteins. The high selectivity of tris-NTA compounds toward cumulated histidines enables the selective labeling of proteins in cell lysates and on the surface of live cells. Fluorescent tris-NTA conjugates can be applied for the analysis of a ternary protein complex in solution and on surfaces.
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