Invitrogen Streptavidin Protein, PE

Invitrogen Streptavidin Protein, PE

Phycobiliprotein Concentration: 0.5 mg/mL (determined by absorption = 82.0 at 566 nm for a 1% solution for only those R-PE molecules to which at least one molecule of active streptavidin is bound)

Phycoerythrin Source: Seaweed

Restoration and Storage: The expiration date is six months from date of reconstitution. Store freeze-dried product at 4°C until reconstitution. Restore with 1.0 ml distilled water. Centrifuge product if it is not completely clear after reconstitution. To judge clarity, draw product into a pasteur pipette. Store at 4°C. [Do not freeze]. After further dilution of the reconstituted streptavidin, do not use for more than one day.