from Streptomyces avidinii, expressed in E. coli, lyophilizate
For further processing only.
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Streptavidin, recombinant material number and pack size: Material Number Pack Size 11520679103 custom fill
- Use Streptavidin, recombinant as a tool for solid phase technology and universal detection systems in immunology and molecular diagnostics.
Appearance: White lyophilizate
Protein (A282; factor 3.1): 0.6-0.8 mg/mg lyophilizate
Specific activity/Biotin binding capacity: ≥17 U/mg protein
Proteasen (incubation with Azocoll for up to 24 hours at +25°C): ≤0.001 U/mg lyophilizate
Absorption (A405, against repurified water): ≤0.1
Water (K. Fischer): ≤12%
IEF (pH 6-9 ): Two main bands between 6.8 and 7.5
SDS-PAGE: Chromatographically homogeneous
Stability: At +2 to +8°C within specification range for 24 months.