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EMD Millipore Novagen™ BL21 Competent Cells Available on GSA/VA Contract for Federal Government customers only.

Manufacturer:  Millipore Sigma 694494

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Catalog No. 69-449-4

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BL21 is the most widely used host background and has the advantage of being deficient in both lon (1) and ompT proteases.
Description & Specifications


Store at ≤-70deg.C
Guaranteed efficiency: >2 x 107 cfu/μg
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