Special reagents
We provide reagents for affinity labeling (Biotins) and for conjugation chemistry (maleimides, thiols).
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Biotin PEG
The biotin groups serve as an affinity label towards the proteins avidin and streptavidin. PEG attached to the biotin gives an extended spacer arm that permits the biotin to reach into the binding pocket of the protein. The PEG moiety also increases solubility of Biotin-PEG conjugates considerably.
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Maleimide PEG
The maleimide group is commonly used for conjugation reactions in pair with a thiol.
Please inquire for various product alternatives.