Streptavidin Protein-PE

Synonym

Streptavidin,SA

Source

Streptavidin-PE (STN-NP119) is expressed from E. coli cells.

Molecular Characterization

This protein carries no "tag"
The protein has a calculated MW of 13.8 kDa.

Conjugate

PE
Excitation Wavelength: 488 nm / 561 nm
Emission Wavelength: 575 nm

Application

Flow Cytometry
We also carry another Premium Grade Streptavidin Protein-PE (STN-NP117), which is produced under more rigorous quality control system that incorporates a comprehensive set of tests including sterility and endotoxin tests, and its performance is carefully validated and tested for compatibility for cell culture use or any other applications in the early preclinical stage.

Endotoxin

Less than 1.0 EU per μg by the LAL method.

Formulation

Lyophilized from 0.22 μm filtered solution in PBS, 1.5% BSA, 0.03% ProClin300, 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 24 months in lyophilized state;
2. -20°C for 6 months after reconstitution;
3. 2-8 °C for 6 months under sterile conditions after reconstitution.

ACRO Quality Management System

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