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New England Biolabs, Inc. BL21 Competent E. coli – 20 x 0.05 ml/tube
Supplier: New England Biolabs, Inc. C2530H
BL21 Competent E. coli is a widely used non-T7 expression E. coli strain and is suitable for transformation and protein expression. This strain does not express the T7 RNA Polymerase.
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