Desthiobiotin-PEG3-Amine is a short PEG linker featuring a primary amine and a desthiobiotin group. Primary amines readily form amides with carboxylic acids in the presence of coupling reagents such as HATU or EDC. Desthiobiotin is used for affinity-based applications such as pull-down assays or for ligating with streptavidin proteins.
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