Product Details
Catalog Number: 2-5028-001
Applications: Protein Purification
Storage: 2–8°C
Shipping: Room Temperature
Downloads: Datasheet (pdf)
Downloads: MSDS (pdf)
Product Sizes
SizeList PricePriceCart
10 x 5 ml$4,600.00Add to Cart
5 ml$484.00Add to Cart

As of 6/30/2021, new and improved Strep-Tactin®XT 4Flow® products have replaced Strep-Tactin® XT Superflow® products.



Advantages of Strep-Tactin®XT 4Flow® vs. Strep-Tactin®XT Superflow®:


Strep-Tactin®XT 4Flow®

Strep-Tactin®XT Superflow®

pH stability



Protein binding capacity



Addressed protein size

Small to large proteins

Small to medium proteins (< 90 kDa)

Yield of low abundant proteins



Yield of large proteins

5-fold increased


Compatible with challenging proteins

Perfectly suitable

Perfectly suitable


Strep-Tactin®XT 4Flow® high capacity cartridge for one-step purification of recombinant Strep-tag®II and Twin-Strep-tag® fusion proteins with HPLC or FPLC

The cartridges are primarily designed for use with chromatography workstations with 10-32 connections (please note that you do not need adapters for HPLC and Äkta). They can, however, also be operated with other workstations, with syringes or with peristaltic pumps by use of common adapters for cartridges. Since column bodies are pressure resistant for up to 3 bar, the cartridges can be used with a flow restrictor. Cartridges can be connected in series to enlarge capacity.

Dynamic binding capacity: 16 mg protein/ml resin, determined with mCherry-Twin-Strep-tag® (30kDa).


We can help.

We are building our company one satisfied customer at a time. If you have any questions or concerns, please contact us.

5325 West 74th St., Suite 8
Edina, MN 55439

Toll free: 866-350-1500
Int’l phone: 952-374-6161
Fax: 612-677-3976