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Sulfhydryl Biotinylation Reagents


Maleimide, iodoacetyl and cleavable pyridyldithiol activated biotin labeling reagents and kits to specifically biotinylate antibodies and other proteins or peptides at sulfhydryl groups, such as reduced free thiols on cysteine residues.


A maleimide-activated, sulfhydryl-reactive biotinylation reagent to label reduced cysteines (-SH groups); stabilizing cyclohexane group in spacer arm. 

A pyridyldithiol-activated, sulfhydryl-reactive biotinylation reagent to label reduced protein or peptide cysteines via a cleavable disulfide bond. 

A haloacetyl-activated, sulfhydryl-reactive biotinylation reagent to label reduced cysteines (-SH groups) at high pH via irreversible thioether bonds. 

A haloacetyl-activated, sulfhydryl-reactive biotinylation reagent to label reduced cysteines (-SH groups) at high pH; polyethylene glycol for solubility. 

A column-based method of antibody biotinylation that provides greater control over the sulfhydryl-labeling reaction and labeled antibody clean-up process. 

A long, pegylated, maleimide-activated, sulfhydryl-reactive biotinylation reagent; 11-unit polyethylene glycol spacer arm for solubility and reach. 

A short, pegylated, maleimide-activated, sulfhydryl-reactive biotinylation reagent; 2-unit polyethylene glycol spacer arm enhances water-solubility. 

Instructions | MSDS | CofA
Product Instructions | MSDS | CofA  

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