A maleimide-activated, biotinylation reagent that contains a PEG3 spacer arm.
An activated ester for biotinylation of primary amine-containing molecules.
An amine-reactive, biotinylation reagent with a hydrophilic PEG4 spacer arm.
An amine reactive, photocleavable biotinylation reagent.
An amine reactive cleavable biotinylation reagent.
An analog of biotin allows easy elution from streptavidin, an ideal feature for affinity purification applications.