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1.5mL of 500 μM d-biotin solution (10 mM Bicine, pH 8.3) for BirA biotin-protein ligase reaction conditions that may require extra biotin. This is the same d-biotin solution as provided in the BirA-500 and Bulk BirA in-vitro
biotinylation reaction kits. Suitable for supplimenting in vitro biotin ligase reactions.

Supplied as: 1 vial of d-biotin solution; 1.5mL at 500μM; store long term at -20°C