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{{/_source.additionalInfo}}Poly(His)-Tag Cloning Vector pEG-His1
(Cat#: PEG01)
Description
The pEG-His1 vector was constructed for the expression of toxic gene products in E. coli. To obtain its exceptional tightness prior to induction with IPTG, the lac I repressor gene has been included in the vector and is overexpressed in plasmid-bearing cells. Recombinant fusion proteins with a 6xHis tag can be easily and selectively purified using the unique Ni-NTA (nickel-nitrilotriacetic acid) technology. The Ni-NTA affinity matrix shows an optimal binding capacity and a minimized non-specific binding resulting in highly purified and reproducible 6xHis-tagged protein preparations.
- Optimized promoter guarantees excellent expression levels
- Very tight expression control due to overexpression of the Lac I repressor
- A convenient MCS allows flexible and easy cloning of the insert
- Start codon is provided by an NdeI site
- Inserts can be expressed as C-terminal tagged 6xHis fusion proteins for one-step purification of full length proteins by metal-chelate affinity chromatography
- An RGS motive and the proximate Poly(His)-Tag allow detection and/or immunoprecipitation of the expressed protein with commercial anti-RGS and anti-His antibodies
- Expression of toxic gene products in E. coli
- pEG-His 1 vector, 5 µg
- 5' sequencing primer, 500 pmol
- 3' sequencing primer, 500 pmol
