Recombinant Streptavidin Protein

Synonym

Streptavidin, SA

Source

Recombinant Streptavidin (STN-N5116) is expressed from E. coli cells.

Molecular Characterization

This protein carries no "tag".

The protein has a calculated MW of 13.8 kDa. The protein migrates as 12 kDa when calibrated against Star Ribbon Pre-stained Protein Marker under reducing (R) condition (SDS-PAGE).

The protein is designed as a tetramer.

Application

ELISA assay

Purity

>95% as determined by SDS-PAGE.

>95% as determined by SEC-MALS.

Formulation

Lyophilized from 0.22 μm filtered solution in NaCl, pH7.4 with trehalose as protectant.

Contact us for customized product form or formulation.

Reconstitution

Please see Certificate of Analysis for specific instructions.

For best performance, we strongly recommend you to follow the reconstitution protocol provided in the CoA.

Storage

For long term storage, the product should be stored at lyophilized state at -20°C or lower.

Please avoid repeated freeze-thaw cycles.

This product is stable after storage at: