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  5. MilliporeSigma™ Novagen™ Origami™ B Competent Cells

MilliporeSigma™ Novagen™ Origami™ B Competent Cells

Catalog No. 708363
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Quantity:
0.4 mL
1 mL

Description

Origami B host strains carry the same mutations as the original Origami strain, except that they are derived from a lacZY mutant of BL21 to enable precise control of expression levels using IPTG.

Origami™ B host strains carry the same trxB/gor mutations as the original Origami strains, except that they are derived from a lacZY mutant of BL21. Thus the Origami B strains combine the desirable characteristics of BL21, Tuner™ and Origami hosts in one strain background. The trxB and gor mutations are selectable on kanamycin and tetracycline, respectively; therefore, these strains are recommended for use only with pET plasmids carrying the ampicillin resistance marker bla.
TRUSTED_SUSTAINABILITY

Specifications

Efficiency Guaranteed efficiency: >2 x 106 cfu/μg
Content And Storage ≤-70°C
Quantity 0.4 mL
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