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IBA LifeSciences StrGate Acptr Vctr pCSG-IBA104
Supplier: IBA LifeSciences 55104001
pCSG-IBA104 is a large expression vector with universal features for transient expression of target proteins with an N-terminal Twin-Strep-tag as well as for generation of stable mammalian cell lines. The vector carries an ampicillin resistance cassette for selection of transformed E. coli cells and ColE1 origin for a high plasmid copy number. Extrachromosomal replication in mammalian cells could occur either by origin of replication from Epstein-Barr Virus (oriP) or by SV40 ori. For the former the vector provides the EBNA-1 gene and for the latter the cell line has to be latently infected with SV40 or express the SV40 large T antigen (e.g. HEK293T, COS-1, COS-7). Stable cell lines can be selected by the neomycin resistance gene (NeoR). In addition, the human cytomegalovirus (CMV) immediate-early promoter enables a high-level expression. The expressed protein is transferred into the medium due to the BM40 secretory signal peptide.
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