E. coli K12 PR1031

Limit of 1 per order. Although this product is free of charge, freight charges will apply. For US customers, available via phone ordering only (1-800-632-5227). For international customers, please contact your local NEB subsidiary or distributor.

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    A suspension of E. coli K12 strain PR1031 which has been grown in LB medium and brought to 50% glycerol. Grow by streaking out on an LB plate and incubating at 37°C. This strain is deficient in the DnaJ "chaperonin", and several unstable proteins have been shown to be more stable in this host. 


    F- thr:Tn10(TetR) dnaJ259 leu fhuA2 lacZ90(oc) lacY glnV44 thi
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