pCMVBeta Mammalian lacZ Expression Vector

Product ID: M0951



Unit SizePriceQuantity 
20ug
$156.40

Availability: In stock


Description

High copy number eukaryotic vector, pCMVβ contains the full-length lacZβ-galactosidase gene under the control of the cytomegalovirus immediate early gene (CMV IE) promoter. Very useful for transfection of mammalian cells in culture and for use in other species where constitutive expression is desired.

The β-galactosidase enzyme expression is enhanced by elements including: SD/SA-RNA splice donor and acceptor sequence, and SV40 late polyadenylylation signal. pCMVβ expression vector also contains β-lactamase gene, which acts as a selection marker (100μg/mL ampicillin resistance) in E. coli host. pCMVβ vector has been tested to generate up to 2530u/mg cell extract (MacGregor, and Caskey). In addition, the β-galactosidase gene can be excised using the NotI sites to allow the insertion of other genes to be expressed under the same regulatory elements in mammalian cells. See also our pSV40β vector system, M0952.

Technical Data
SKU M0951
Unit Size 20ug
Notes

Full Length Sequence Data

Restriction Sites


References and Citations

References:

  • MacGregor, G.R. & Caskey, C.T., 1989. "Construction of Plasmids that Express E. Coli Beta-galactosidase in Mammalian Cells." Nucleic Acids Res. 17: 2365.
  • Norton, P.A.& Coffin, J.M., 1984. "Bacterial b-galactosidase as a Marker of Rous Sarcoma Virus Gene Expression and Replication." Mol. Cell Biol. 5: 281.
  • Nolan, G.P., et al., 1988. "Fluorescence-activated Cell Analysis and Sorting of Viable Mammalian Cells Based on b-D-galactosidase Activity After Transduction of Escherichia coli lacZ." Proc. Natl. Acad. Sci (USA). 85: 2603.
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