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Strep-Tactin® Magnetic Microbeads

Strep-Tactin® multimers conjugated with magnetic microbeads
Quantity Unit price
From 10
Please note: Strep-Tactin® Magnetic Microbeads were specifically developed for cell isolation. For protein purification, we offer MagStrep Strep-Tactin®XT beads and MagStrep "type3" Strep-Tactin® beads, which have an agarose coating that prevents aggregation and unspecific binding as well as ensures a high protein binding capacity.

Strep-Tactin® Magnetic Microbeads are suitable for multimerizing Strep-Tag®II- or Twin-Strep-tag®-fusion proteins for subsequent cell selection. Alternatively, cells that express a strep-tagged surface protein can be isolated. 
Biotin reverses the binding of the microbeads to strep-tagged proteins in all isolation approaches. This way, the microbeads can be easily removed from the cells, preventing adverse effects on further downstream applications.


Bead Size: 1 - 3 µm
Form: Suspension in DPBS
Possible Application: Cell isolation (magnetic)
Recommended Usage: 15 µl per 1 x 10^7 total cells

Shipping information

Storage: 2-8 °C; Do not freeze!
Stability: 6 months after shipping
Shipping: Room temperature


StrepMan Magnet
Permanent magnet for cell isolations using Strep-Tactin® Magnetic Microbeads
Buffer CI (10x)
Cell isolation buffer containing 10x PBS with 10 mM EDTA and 5% BSA
Biotin stock solution
100 mM concentrated biotin for dissociation of Twin-Strep-tag® from Strep-Tactin® suitable for cells

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Gravity flow column suitable for traceless affinity cell and exosome isolation
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Fluorophore-conjugated Strep-Tactin® for cell staining
Strep-Tactin® APC
Fluorophore-conjugated Strep-Tactin® for cell staining