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P9102-40C2 Protein Expression Media, Power Prime Broth™ (Liquid) pEX™

Specifications
Brand
pEX™
Grade
Molecular Biology Grade
EU Commodity Code
38210000
Shipping Temp
Blue Ice
Storage Temp
4°C

Power Broth™  and Power Prime Broth™ are proprietary media formulations for improved expression of recombinant proteins in E. coli. Power Prime Broth™ is made without animal-derived raw materials and is APF Certified. These media are composed of a complex, rich mixture of amino acids, vitamins, and a carbon source at higher levels than Terrific Broth. The media are buffered at pH 6.8±0.2. For expression of recombinant proteins, induction should be done at cell densities three times that of LB Broth. 

Cell yields are typically 3 to 4 times that of LB Broth in shake flask cultures depending on the characteristics of the strain. Several reports suggest that Power Broth™ and Power Prime Broth™ can increase the amount of soluble protein accumulated for otherwise insoluble proteins. This medium is suitable as the base for fermentation cultures. Biomass yields will depend on the process and the strain employed.
pEX™ Protein Expression Media P9102-40 Media Optimization Kit™ P9102-40A Turbo Broth™ P9102-40B Superior Broth™ P9102-40C Power Broth™ P9102-40D Hyper Broth™ P9102-40E M9Y (Glucose) Broth™ P9102-40F Glucose-Nutrient Mix P9102-40G LB Broth (Miller)
Not sure which media expression system to choose? United States Biological has developed a unique research tool for protein expression media selection: Media Optimization Kit™
Our experiences with the expression of recombinant proteins have shown that the level of expression is very much dependent on the medium used. Some proteins are expressed well in one medium, but are not expressed in the same host strain in another medium or protein may be expressed in one medium while another protein is not expressed in the same medium.
This demonstrates why for each recombinant protein a medium screen becomes a crucial part of the optimization process. To facilitate the researchers’ efforts to develop the best systems for their proteins, we have developed a Media Optimization Kit.™. The kit is composed of six media formulations (including four that are unique and proprietary) which we have found over the years to be the most reliable for the increased production of recombinant proteins in Escherichia coli. The kit is used to quickly and easily identify the most suitable medium for the expression of a particular recombinant protein. Included are suggested approaches for improving the production of recombinant proteins, thus passing along the knowledge our staff scientists have acquired while working to produce a wide variety of proteins.
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