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PROTEIN EXPRESION AND PURIFICATION


CASCADETM (*) is a bacterial protein expression system that provides tightly regulated, high-level expression. The system makes use of linked regulatory circuits to amplify gene expression levels when induced, maintaining low basal expression levels under non-inducing conditions.


Applications:

  • - Laboratory and large scale recombinant protein expression/purification.
  • - Metabolic Engineering.
  • - Programming therapeutic bacteria expression: antigen expression and display in attenuated pathogenic bacteria.
  • - Expression of heteromultimeric proteins.





Advantages:

  • - Tight control of gene expression with the highest level compared to other systems.
  • - Broad range of expression levels using different inducer concentrations.
  • - Modular structure compatible with mini-Tn5 delivery vectors.
  • - Stable phenotypes by using mini-Tn5 mediated integration.
  • - Active at low temperature (16ºC) and low sensitivity to media formulation.
  • - Availability of vectors with protein fusion tags for purification using low cost affinity supports.
  • - Cost effective and scalable bioprocess engineering.
  • - Higher rate of success in obtaining soluble proteins.




(*) CASCADETM is a trademark of Active Motif, Inc., Carlsbad. The CASCADETM expression system is patent pending and licensed by Active Motif, Inc. Commercial license available. Please contact us if you want more information about the license agreement.