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Please note that this product will be discontinued at the end of 2026.

pASK-IBA2C is a classic cloning vector devised for E. coli expression of recombinant proteins with the Strep-tag®II fused to the C-terminus. It carries the chloramphenicol resistance cassette for selection of transformed E. coli cells, F1 and ColE1 origin for a high plasmid copy number, a multiple cloning site with recognition sites for several common restriction enzymes (e.g. EcoRI, SmaI, BamHI, SalI, PstI), the inducible tetracycline promoter/operator for the regulated expression of proteins, and the ompA signal for periplasmic secretion of the recombinant protein.
The vector can be combined with any E. coli strain since the tet-promoter works independently of the genetic background of E. coli. Expression of the recombinant protein is induced by addition of anhydrotetracycline, which is a derivative of tetracycline that does not exhibit antibiotic activity. During secretion into the periplasmic space the ompA signal sequence will be cleaved off.

Specifications

Affinity Tag C'-terminal: Strep-tag®II
Cloning Method: Direct cloning using e.g. restriction enzyme BsaI in MCS
Concentration: 250 ng/µl
Expression Host: E. coli
Form: Suspension in TE buffer
Possible Application: Expression plasmid for Strep-tag®II fusion proteins
Promoter: tet Promoter
Resistance: Chloramphenicol
Sequence: See Documents
Size: 3061 bp

Shipping information

Storage: -20 °C
Stability: 12 months after shipping
Shipping: Room temperature

Accessories

Anhydrotetracycline
Please note that this product will be discontinued at the end of 2026.
Competent E. coli TOP10
Please note that this product will be discontinued at the end of 2026.

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