Streptavidin Protein-Cy5

Synonyms

Streptavidin, SA

Source

Streptavidin Protein-Cy5 (STN-NC113) is expressed from E. coli cells.

Molecular Characterization

This protein carries no "tag".

The protein has a calculated MW of 13.8 kDa.

Conjugate

Cy5

Excitation Wavelength: 651 nm

Emission Wavelength: 670 nm

Labeling

The primary amines in the side chains of lysine residues and the N-terminus of the protein are conjugated with Cy5 using standard chemical labeling method. The residual Cy5 is removed by molecular sieve treatment during purification process.

Purity

>90% as determined by SDS-PAGE.

Formulation

Lyophilized from 0.22 μm filtered solution in PBS, 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.

Shipping and Storage

This product is shipped at ambient temperature.

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

Please protect from light and avoid repeated freeze-thaw cycles.

This product is stable after storage at:

1. -20°C to -70°C for 12 months in lyophilized state;
2. -70°C for 3 months under sterile conditions after reconstitution.

ACRO Quality Management System

1. QMS(ISO, GMP)
2. Quality Advantages
3. Quality Control Process