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GenDEPOT  |  SKU: P9302-005

PureSelect Protein G-Agarose Fast-Flow

$295.00
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GenDEPOT

PureSelect Protein G-Agarose Fast-Flow

From $295.00
GenDEPOT Protein G-Agarose is an affinity chromatography medium designed for easy, one-step purification of classes, subclasses and fragments of immunoglobulins from biological fluids and from cell culture media. The recombinant protein G ligand is coupled to 4% highly cross-linked agarose. The static binding capacity of Protein G-Agarose is greater than 20 mg sheep IgG/ml settled resin. The dynamic binding capacity will vary depending on several factors such as target antibody, flow rate etc. Protein G, a bacterial cell wall protein isolated from group G Streptococci, binds to mammalian IgGs mainly through Fc regions. Native protein G has 3 IgG binding domains and also sites for albumin and cell surface binding. The latter have been eliminated from recombinant protein G to reduce nonspecific binding. Although protein G has very similar tertiary structures to protein A, their amino acid compositions differ significantly, resulting in different binding characteristics. Protein G can be used for purification of mammalian monoclonal and polyclonal IgGs that do not bind well to protein A.

Protein G has greater affinity than protein A for most mammalian IgGs, especially for certain subclasses including human IgG3, mouse IgG1 and rat IgG2a. Unlike protein A, protein G does not bind to human IgM, IgD and IgA.

Store at 2-8℃

Ligand Recombinant Streptococcal Protein G lacking the albumin-binding produced in E. coli
Binding capacity > 20mg Sheep IgG/ml
> 20mg human IgG/ml
Resin Volume 50% slurry
Bead Size Range 90um (45-165um)

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  • 5ml
  • 10ml
  • 20ml
  • 100ml
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