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Agarose Strep-tag Ⅱ Protein Purification Magbeads 30-150 μm, 10% Volume Ratio, 50 mL

5 mL / bottle
Agarose Strep-tag Ⅱ Protein Purification Magbeads 30-150 μm, 10% Volume Ratio, 50 mL
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Product Name: Agarose Strep-tag Ⅱ Magbeads
Bead Size: 30~150 μm
Concentration: 10% (v/v)
Shelf Life: 2 Years
Usage: Medical Research
Storage: 2~8℃ Sealed Storage
Package: 5mL/50mL/250mL
Application: Protein Purification
Specification: 50 ML, 10% (v/v), 30-150 μm
Basic Infomation
Place of Origin: China
Brand Name: BeaverBeads
Certification: COA
Model Number: 70808-50
Payment & Shipping Terms
Packaging Details: 5mL/50mL/250mL
Delivery Time: 5-8 days
Payment Terms: L/C, T/T
Supply Ability: 850 L/month
Product Description

Agarose Strep-tag Ⅱ Protein Purification Magbeads​ 30-150 μm, 10% (v/v)


1, Description:

Strep-Tag system is a new type of protein purification system which simulates the streptavidin-biotin system. Compared to streptavidin, Strep-Tactin's affinity to Strep-Tag II is at least 10 times larger. The purification extraction condition of strep-tag is mild and the protein can be separated and purified under physiological conditions. In addition, compared to other tags, Strep-Tag II is small 8 amino acid tag (WSHPQFEK). Since the tag is small, it is only about 1 kDa which doesn't affect the structure and function of the protein after fusion. These mild purification condition preserve the biological activity of the protein and produce more than 99% purity in only one extraction step.


2, Product Information:


Product Name
Agarose Strep Tactin Magbeads
Bead Size
30~150 μm
Ligand density
~6 mg Strep-Tactin / mL Gel
Protein binding Capacity (mg/ml pure beads)
~7 mg Strep-tag protein / mL Gel
Suspension concentration
10%(v/v)magnetic beads suspension
Binding Buffer
50 mM Tris-HCl, pH 8.0
Elution Buffer
2.5 mM desthiobiotin in Binding Buffer
Storage buffer
1×PBS (0.1% Tween-20+0.05% NaN3)
Shelf life
2 years when stores at 2 ~ 8 ℃,
Regeneration Buffer
0.5 M NaOH or 1 mM HABA in Binding Buffer


1:The binding amount of magnetic beads protein is related to the target protein characteristics, where only reference
values are given.
2: In order to facilitate transportation, it is used pure water preservation for shipment. Recommend to store at 20% ethanol
solution for long time preservation.


3, Features:


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.


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