- Description
- Specifications
Catalog #: PRO-791
Description:
Streptavidin Streptomyces Avidinii Recombinant produced in E.Coli.
The molecular weight per tetramer is approximately 53kDa.
Extinction coefficient per subunit: 41326 M-1 cm-1.
Source:
Escherichia Coli.
Purity:
Greater than 95.0% as determined by SDS-PAGE.
Solubility:
It is recommended to reconstitute the lyophilized Streptavidin in sterile 18M-cm H2O not less than 100 µg/ml, which can then be further diluted to other aqueous solutions.
Formulation:
Lyophilized in 10mM potassium phosphate buffer pH 6.5.
Stability:
Streptavidin is shipped at ambient temperature, upon arrival store at -20 °C.
Specific Activity:
> 17U/mg (one unit binds 1 µg D-biotin at pH 8.9).
Proteolytic Activity:
< 10-3 U/mg protein (Azocoll, 25 °C, 24 h, pH 8.0).
Physical Appearance:
Sterile Filtered White lyophilized (freeze-dried) powder.
Usage:
Denovo Biotechnology's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
