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P3296

Millipore

Protein G Sepharose®, Fast Flow

recombinant, expressed in E. coli, aqueous ethanol suspension

Synonym(s):
Protein G-Agarose, Fast Flow from Streptococcus sp.
MDL number:
NACRES:
NA.56

recombinant

expressed in E. coli

Quality Level

form

aqueous ethanol suspension

analyte chemical class(es)

proteins (Immunoglobulins of various mammalian species)

extent of labeling

~2 mg per mL

technique(s)

affinity chromatography: suitable

matrix

Sepharose 4B Fast Flow

matrix activation

cyanogen bromide

matrix attachment

amino

matrix spacer

1 atom

storage temp.

2-8°C

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General description

Protein G is an immunoglobulin (IgG)-binding bacterial cell wall protein isolated from group G streptococcal strain, G-148.[46] 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.[22] 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.[40] It acts as a powerful reagent for the detection of IgG.[46]
Protein G is an immunoglobulin (IgG)-binding bacterial cell wall protein isolated from group G streptococcal strain, G-148.[46] 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.[22] 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.[40] It acts as a powerful reagent for the detection of IgG.[46]

P3296-5Ml′s updated product number is GE17-0618-01

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.

Packaging

1 mL in glass insert
5 mL in glass bottle

Physical form

Suspension in 20% ethanol

Preparation Note

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

Legal Information

Sepharose is a registered trademark of Cytiva

Pictograms

Flame

Signal Word

Warning

Hazard Statements

Hazard Classifications

Flam. Liq. 3

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

115.0 °F - closed cup

Flash Point(C)

46.1 °C - closed cup

Certificate of Analysis

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Certificate of Origin

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