Product Details
Catalog Number: 2-1202-001
Applications: Protein Purification
Type: Column
Downloads: Datasheet (pdf)
Product Sizes
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As of 10/31/2024, Strep-Tactin® Sepharose® products have been discontinued. The replacement products are Strep-Tactin® 4Flow® High Capacity Products.

Replacement:

Name

Catalog Number

Strep-Tactin® 4Flow® High Capacity Column

2-1250-025

 

Advantages of Strep-Tactin® 4Flow® High Capacity vs. Strep-Tactin® Sepharose®:

 Matrix

Strep-Tactin® Sepharose®

Strep-Tactin® 4Flow®

Bead structure

4% agarose, crosslinked

4% agarose, highly crosslinked

Bead size

45-165 um

50-150 um, spherical

Exclusion limit

~3 x 10^7 Da

3 x 10^7 Da

Recommended flow rate

gravity flow

0.5-1 ml/min

pH range for protein binding

7-8

7-8

 Max pressue

gravity flow

3.5 bar

 Eluent

desthiobiotin

desthiobiotin

Regeneration buffer

Buffer R

100 mM NaOH

Images

A 36 kDa enzyme and a mutant, both with C-terminal Strep-tag II, were expressed in the cytoplasm of E. coli. 1: Sample of crude lysate after cytosolic expression with pASK-IBA3 2: Sample of flow through during chromatography 3: Sample after the addition of 2.5 mM desthiobiotin M: Molecular size standard (kDa)

A 36 kDa enzyme and a mutant, both with C-terminal Strep-tag II, were expressed in the cytoplasm of E. coli. 1: Sample of crude lysate after cytosolic expression with pASK-IBA3 2: Sample of flow through during chromatography 3: Sample after the addition of 2.5 mM desthiobiotin M: Molecular size standard (kDa)

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