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Strep-Tactin®XT PE
Fluorophore-conjugated Strep-Tactin®XT for cell staining
Content
Strep-Tactin®XT conjugated to R-Phycoerythrin (PE) is optimized for flow cytometry of cells. It binds to Strep-tag®II- or Twin-Strep-tag®- fusion proteins with a high affinity.
Cells can either be stained directly if they express a strep-tagged surface protein or indirectly via a strep-tagged protein that subsequently binds to the cells (e.g. for sorting antigen-specific B cells).
Independent from the chosen method, biotin addition will cause the release of Strep-Tactin®XT PE from the cell surface. This enables the use of selected cells for further downstream applications.
This conjugate is especially recommended for low-affinity or low-expressed targets.
| Concentration: | 75 µg/ml |
|---|---|
| Form: | Suspension in DPBS |
| Possible Application: | Fluorescent cell staining & sorting |
| Specificity: | Twin-Strep-tag®; Strep-tag®II; cross reactivity: biotin |
| Storage: | 2-8 °C; Do not freeze! |
|---|---|
| Stability: | 12 months after shipping |
| Shipping: | Blue ice |
Accessories
Biotin stock solution
100 mM concentrated biotin for dissociation of Twin-Strep-tag® from Strep-Tactin® suitable for cells
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Strep-Tactin®XT conjugate with fluorescent label to detect Strep-tag®II and Twin-Strep-tag® fusion proteins
