Streptavidin Protein

Specifications

Product Data
Description	Streptavidin protein, 1 mg
Protein Source	S. avidinii
Concentration	lot specific
Purity	Prepared from pure Streptavidin as determined by electrophoresis.
Buffer	State: Lyophilized purifed Ig fraction Buffer System: 0.02 M Potassium Phosphate, 0.15 M Sodium Chloride, pH 7.2 Label: Tetramethylrhodamine isothiocyanate (TRITC) (Molecular Weight 444 daltons). Absorption/Emission Wavelength: 550 nm/570 nm FITC/Protein Ratio: 2.7 moles TRITC per mole of Streptavidin. Preservative: 0.01% (w/v) Sodium Azide Stabilizer: 10 mg/ml BSA (IgG and Protease free) Presentation Label: Rhodamine
Reconstitution	Restore with 1.0 ml of deionized water (or equivalent).
Preparation	Lyophilized purifed Ig fraction
Applications	FLISA: 1/10,000 - 1/50,000. Immunofluorescence: 1/1,000-1/5,000. Fluorescent Western blotting.
Protein Description	Rhodamine conjugated Streptavidin
Note	Assay by immunoelectrophoresis resulted in a single precipitin arc against anti-Streptavidin. No reaction was observed against anti-Avidin.
Storage	Store vial at 2-8°C prior to restoration. For extended storage aliquot contents and freeze at -20°C or below. Centrifuge product if not completely clear after standing at room temperature. This product is stable for one month at 2-8°C as an undiluted liquid. Dilute only prior to immediate use. Avoid cycles of freezing and thawing.
Stability	Shelf life: one year from despatch.
Reference Data

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