Produktbeschreibung
DBCO-PEG4-Desthiobiotin can be incorporated to biomolecules via strain-promoted Alkyne-Azide Chemistry (SPAAC) which does not need a Cu (I) catalysis or heating. Desthiobiotin binds less tightly to streptavidin than biotin and therefore Desthiobiotin labelled biomolecules can easily be eluted from streptavidin affinity resin by using free biotin. The introduction of the hydrophilic PEG4-moity reduces aggregation and precipitation during the labeling reaction by increasing the hydrophilicity.
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