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5’ or 3’ EndTag™ labeled nucleic acids can be used for applications such as DNA hybridization, PCR, in situ hybridization, the binding of capture probes to affinity matrices, or electrophoretic mobility shift assays (EMSA). Short oligonucleotides are labeled more efficiently with these systems than with other methods. In addition, end labeling of oligonucleotides is an economical alternative to having labels inserted during synthesis.
Both the 5’ EndTag™ and the 3’ EndTag™ Nucleic Acid Labeling Systems enable the covalent attachment of a variety of fluorescent dyes, haptens, or affinity tags to the respective ends of the nucleic acids using thiol-specific chemistry. Labels containing thiol-reactive groups (maleimides, iodoacetamides, etc.) can easily be incorporated. |