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Description:
Glutathione S-transferase (GST) gene fusion systems have been widely used for obtaining large amounts of desirable protein in Escherichia coli. The fusion protein, which contains a GST tail can then be purified through affinity chromatography. MCLAB’s glutathione agarose is designed for the specific purification of GST recombinant proteins and other glutathione-binding proteins. Glutathione agarose is uniquely formulated for excellent binding capacity and purity of the protein of interest.
Specifications
| Chromatography technique | GST-tagged protein purification |
| Matrix | Highly cross-linked 6% beaded agarose |
| Active group | Glutathione |
| Active group density | >40 umol/ml drained medium |
| Binding Capacity | > 25 mg horse liver GST/ml resin |
| Spacer | 1,4-bis(2,3-epoxypropoxy)butane (12 atom stable and uncharged ether hydrophilic linkage) |
| Bead geometry & size | Spherical 50 to 150 um |
| Bead mean diameter d50v | 90 um |
| pH Stability working range | 4 to 13 |
| pH Stability cleaning in place (cip) | 4 to 13 |
| Chemical stability | Stable to commonly used aqueous solutions. Can be used with non-ionic detergents, denaturing solvents, e.g. 8 M urea and 6 M guanidine hydrochloride, Stable in organic solvents, e.g. 50% methylformamide and 50% dioxane. |
| Storage | 2 to 8 °C in 20% Ethanol |
Recommended Storage Conditions: 2ºC to 8ºC.
Binding Buffer:
50 mM Tris
150 mM NaCl
pH 8.0
Elution Buffer:
50 mM Tris pH 7.8
0.15 M NaCl
1 mM EDTA
1 mM DTT
10 mM GST