Strep-Tactin® Sepharose® resin

50% suspension to purify Strep-tag®II or Twin-Strep-tag® fusion proteins

Strep-Tactin® Sepharose® is a 4% agarose coupled with the streptavidin variant Strep-Tactin® and applicable for purification of Strep-tag®II or Twin-Strep-tag® fusion proteins. Due to the low concentrated agarose, it is particularly suitable for large proteins, especially if the affinity to Strep-Tactin®XT 4Flow® is too high. The wide-meshed polymer allows for the simple attachment of larger proteins to the stationary phase. The suspension can be used for packing of gravity flow columns since the resin is optimized for column affinity chromatography, rather than for batch purification. To pack a column with 1 ml resin bed volume, 2 ml 50% suspension is necessary. Please note that Strep-Tactin® Sepharose® is not compatible with HPLC/FPLC due to the low pressure stability.

Specifications

Bead Size: 45 - 165 µm
Biotin Binding Capacity: > 300 nmol/ml resin
Exclusion Limit: 3 x 10^7
Form: 50% suspension
Possible Application: Protein purification of Strep-tag®II and Twin-Strep-tag® fusion proteins
Specificity: Twin-Strep-Tag®; Strep-tag®II; cross reactivity: biotin
Strep-tag®II Binding Capacity: 3 mg/ml
Support: 4% agarose