Streptavidin Protein-Texas Red

Synonyms

Streptavidin, SA

Source

Streptavidin Protein-Texas Red (STN-NT113) is expressed from E. coli cells.

Molecular Characterization

This protein carries no "tag".

The protein has a calculated MW of 13.8 kDa.

Conjugate

Texas Red

Excitation Wavelength: 586 nm

Emission Wavelength: 603 nm

Labeling

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

Purity

>95% 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.

Storage

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