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70625 Sigma-AldrichTuner™(DE3)pLacI Competent Cells - Novagen
Tuner host strains are lacZY deletion mutants of BL21, which enable adjustable levels of protein expression throughout all cells in a culture. Contains the pLacI plasmid producing extra Lac repressor.
70920 Sigma-AldrichRosetta™(DE3)pLacI Competent Cells - Novagen
Rosetta strains are BL21 derivatives designed to enhance the expression of eukaryotic proteins that contain codons rarely used in E. coli. Contains the pLacI plasmid producing extra Lac repressor.
71404 Sigma-AldrichRosetta™ 2(DE3)pLacI Competent Cells - Novagen
Rosetta strains are BL21 derivatives designed to enhance the expression of eukaryotic proteins that contain codons rarely used in E. coli. Contains the pLacI plasmid producing extra Lac repressor.
70838 Sigma-AldrichOrigami™ B(DE3)pLacI Competent Cells - Novagen
Origami B host strains are similar as the original Origami strain, except that they are derived from a lacZY mutant of BL21. Strain carries the pLacI plasmid producing extra Lac repressor.
71138 Sigma-AldrichRosetta-gami™ B(DE3)pLacI Competent Cells - Novagen
Rosetta-gami B strains combine the key features of BL21, Origami, and Rosetta to enhance the expression of eukaryotic proteins. Contains the pLacI plasmid producing extra Lac repressor.
71353 Sigma-AldrichRosetta-gami™ 2(DE3)pLacI Competent Cells - Novagen
Rosetta-Gami 2 strains allows for enhanced disulfide bond formation and enhanced expression of eukaryotic proteins. Contains the pLacI plasmid producing extra Lac repressor.