Protein Production

Protein Production

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Quick production of high protein titers through targeted integration in a CHO-S hotspot

Whether you quickly need high protein quantities for crystallography, diagnostic reagents, mAb lead selection, target discovery, our exclusive CEMAX® expression system is made for you. A highly transciptionaly active genomic site of a CHO-S cell line that can be grown in suspension can be reproducibly targeted with your transgene expression cassette. An expressing population can be selected in as little as 2 weeks, and the selected clones display 95%+ of hotspot targeting! After selection, the selection agents can be dropped to still obtain highly stable protein production.

Benefit  from cGPS® targeted integration to reproducibly obtain high protein titers:

cGPS CHO-Sa CEMAX Full Kit

cGPS® (cellular Genome Positioning System) technology based on meganuclease-driven homologous recombination for targeted integration in engineered cell lines. Combines the advantages of reaching high density cell cultures in suspension and targeted integration of your gene of interest at a selected hotspot for protein production. Ideal for obtaining high titers of recombinant proteins and mAbs with highly stable expressing cell clones.

  • Selection of clones in 25 days
  • 100% of targeted integration events
  • stable expression >12 weeks even in the absence of selection agents
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