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Fluorescent Dyes  >  Reactive Fluorescent Dyes  >>  5(6)-TAMRA-X, SE

Product Name 5(6) - TAMRA - X, SE
6 - (Tetramethylrhodamine - 5 - (and - 6) - carboxamido) hexanoic acid, succinimidyl ester; 5(6) - TAMRA - X, NHS ester
Size 5 mg
Catalog # AS-81127
US$ $121

TAMRA-X contains a seven-atom aminohexanoyl spacer (known as X) between TAMRA fluorophore and the succinimidyl ester. The X spacer separates the fluorophore from the biomolecule to which it is conjugated, potentially reducing the quenching that typically occurs upon conjugation. We recommend this TAMRA-X derivative as the preferred dye for preparing TAMRA-labeled proteins when the fluorescence quenching of the labeling dye by protein is a serious problem.

Detailed Information Datasheet
Material Safety Data Sheets (MSDS)
Storage -20C desiccated and protected from light
References 1. Wazawa T, et al. Biophys J 78, 1561-9; (2000).
2. Moore KJ, et al. J Biomol Screen 4, 335-54; (1999).
Molecular Weight 640.68
Molecular Formula C35H36N4O8
Spectral Properties Abs/Em = 544/572 nm
Solvent System DMF or DMSO
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