Lyophilized from 20mM Tris-HCl, pH 7.5, wth 50mM Na2SO4, 0.5mM DTT, and 1mM EDTA (0.2µm filter sterilized).
Endotoxin Level
<0.1 EU/µg of the protein by LAL method.
Storage
Shipped at 4°C. Lyophilized: Store at -20°C to -80°C up to 1 year from the date of receipt. Reconstituted: Aliquot and store at -20°C for 3 months or 2-8°C for up to 1 week. Avoid freeze/thaw cycles.