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

pASK-IBA6C is a classic cloning vector devised for E. coli expression of recombinant proteins with the Strep-tag®II fused to the N-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, the ompA signal for periplasmic secretion of the recombinant protein, and the sequence for a protease cleavage site.
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 the secretion into the periplasmic space the ompA signal sequence will be cleaved off. The N-terminal Strep-tag®II can be removed by the protease factor Xa.

Specifications

Affinity Tag N'-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: 3081 bp
Specificity: Factor Xa cleavage site

Shipping information

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

Accessories

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

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