Biotinylation reagent that binds the C-terminus of peptides and carboxylic acid groups on aspartate or glutamate residues. Contains a very long (11 PEG) spacer arm. Requires a crosslinker such as EDC.

≥96%

Soluble in DMSO or water (25 mg/ml). Prepare aqueous stock solutions immediately before use, anhydrous stock solutions can be stored for several days at -20°

White to off-white solid

Store at or below ≤4°C. Solid form is stable at least 2 years from date of receipt, when stored as directed.

Useful for biotinylation of proteins with free hydroxyl groups.

Protect from moisture. Store with desiccant.

PEG Product, Biotin

Biotinylation Reagent