
Azide-SS-biotin is a cleavable biotinylation reagent for labeling alkyne-containing biomolecules using click chemistry. The azide group reacts with alkynes to form a stable triazole linkage. The hydrophilic PEG spacer arm imparts water solubility that is transferred to the biotinylated molecule. The disulfide bond in this linker can be cleaved using reducing agents such as DTT, BME and TCEP to remove the biotin label.
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