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P3296 Sigma

Protein G Sepharose®, Fast Flow

recombinant, expressed in E. coli, aqueous ethanol suspension

Synonym: Protein G-Agarose, Fast Flow from Streptococcus sp.

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Description

Packaging

1 mL in glass insert

5 mL in glass bottle

Preparation Note

Prepared with recombinant streptococcal Protein G from which the albumin-binding region has been genetically deleted

Physical form

Suspension in 20% ethanol

Application

Protein G-Sepharose® is used in affinity chromatography, protein chromatography, antibody purification and characterization, immunoaffinity matrices, protein A, G and L resins, protein interaction, and purification and detection. Protein G-Sepharose® has been used to develop a strategy to confirm the presence of anti-erythropoietin neutralizing antibodies in human serum as well as to compare methods for depletion of albumin and IgG from equine serum.

General description

Protein G is an immunoglobulin (IgG)-binding bacterial cell wall protein isolated from group G streptococcal strain, G-148. This protein can be extracted from the cells by papain digestion and purified by the sequential use of ion-exchange chromatography on DEAE-Sephadex, affinity chromatography on Sepharose-coupled human IgG, and gel chromatography on Sephadex G-200. The binding between protein G and various polyclonal and monoclonal IgG is basically pH dependent between 2.8 and 10, with the strongest binding at pH 4 and 5, and weakest at pH 10. It acts as a powerful reagent for the detection of IgG.

Legal Information

Sepharose is a registered trademark of GE Healthcare

Price and Availability


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Safety Information

Symbol 
GHS02  GHS02
Signal word 
Warning
Hazard statements 
RIDADR 
NA 1993 / PGIII
WGK Germany 
3
Flash Point(F) 
114.8 °F
Flash Point(C) 
46 °C
Protocols & Articles

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Peer-Reviewed Papers
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