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. 1999 Feb;65(2):569–577. doi: 10.1128/aem.65.2.569-577.1999

TABLE 2.

Isocitrate dehydrogenase activity assay of the growth media of various E. coli strains grown under equivalent conditions in the presence or absence of IPTG

Sample Induction with IPTG Avg activity ± SD (ς units/ml)
pMS49 No 10.43 ± 0.32
pMS49 Yes 38.19 ± 8.79
pMS50 No 22.87 ± 0.32
pMS50 Yes 67.21 ± 4.00
pQE60 No 9.32 ± 3.14
pQE60 Yes 9.10 ± 0.94