Details
The Strep Tactin beads based on superparamagnetic beads are designed for rapid and efficient separation Strep（II）-tag protein. The Strep-tag is a synthetic peptide consisting of eight amino acids (Trp-Ser-His-Pro-Gln-Phe-Glu-Lys). Generally, it does not interfere with folding or bioactivity. Thus, there is no need for removing the tag. Strep-tagged proteins can be isolated in one step from crude cell lysates. Because the Strep-tag elutes under gentle, physiological conditions it is especially suited for generation of functional proteins. The proteins obtained are bioactive and display a very high purity (above 99%).
FEACTURES
1. High capability of antibody binding.
2. Time-saving, simple and mild.
3. Obtained high-purity protein by one-Step.
4. No need removing the tag.
SPECIFICATIONS
| Designation | Sunlong Biotech™ Magrose Strep-Tactin |
| Bead Diameter (µm) | 30μm～150μm |
| Ligand density | ～6mg Strep-Tactin /mL Gel |
| Protein Binding Capacity | ～7mg Strep-tag II protein/mL Gel |
| Slurry Concentration | 10%(v/v) Suspension |
| Storage solution | 1×PBS(0.1%Tween-20+0.05%NaN3) |
| Storage temperature | 2 ~ 8 °C for long; NO FREEZE |
| Binding/Washing Buffer | 10mM Tris-HCl, 150mM NaCl, 1mM EDTA, pH8.0 |
| Elution Buffer | 2.5mM desthiobiotin in Binding Buffer |
| Regeneration Buffer | 0.5M NaOH or 1mM HABA |
Application examples
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SDS-PAGE profile of Magrose Strep-Tactin purified Strep-tagII-eGFP protein
Partial purchase records (4)
| Username | Quantity | bought time |
| Al*** | 1 | 2026-01-05 |
| Ch*** | 1 | 2025-11-20 |
| Ra*** | 1 | 2025-11-12 |
| Iv*** | 1 | 2025-11-06 |
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