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 analog of biotin allows easy elution from streptavidin, an ideal feature for affinity purification applications.