Streptavidin - High-quality bulk material for unbeatable prices

Order a 10 mg streptavidin test sample for free*

Streptavidin is a tetrameric protein composed of identic subunits (~13 kDa each). Each subunit binds one biotin molecule with a KD of ~1x10^-15 M, which makes the biotin-streptavidin system one of the strongest non-covalent biological interactions known. This streptavidin-biotin interaction is widely used for immunological, molecular and cellular assays, where biotinylated molecules are captured efficiently on streptavidin coated surfaces.

IBA Lifesciences´ recombinant streptavidin contains an N- and C-terminal shortened variant (core streptavidin). Compared to native streptavidin, properties concerning homogeneity, solubility, resistance towards proteolytic degradation and accessibility of the biotin binding pocket are improved.

Immobilize biotinylated proteins efficiently on:

✓ Beads

✓ Microplates

ELISA – Enzyme-linked immunosorbent assay

✓ Chips

Combined with unbeatable prices, our product offers high purity, homogeneity, and stability. On average, 25% lower prices than other manufacturers!

10 mg	100 mg	1 g
351 USD	528 USD	2647 USD
270 EUR	405 EUR	2036 EUR

Specifications:

Form	Lyophilized in potassium phosphate buffer
MW per tetramer	~53 kDa
Specific activity	> 17 U/mg (one unit binds 1 μg D-biotin)
Purity	> 95 % as estimated by SDS-PAGE
Reconstitution	Dissolve in water
Storage	-25 to -15 °C (lyophilized) 2 to 8 °C (dissolved)
Stability	2 years after shipping (lyophilized)
Shipping	Room temperature

See detailed specifications

For research use only!

Test our streptavidin for free!*

Order Streptavidin via E-mail**

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** Please note that by ordering a 10 mg streptavidin free sample, you agree to be added to our mailing list and receive a customer feedback form from us after the promotion period is over.