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. Author manuscript; available in PMC: 2009 Jul 25.
Published in final edited form as: J Mol Biol. 2008 May 17;380(5):812–819. doi: 10.1016/j.jmb.2008.05.030

Table 4.

Nun inhibits malE and malP promoters

Strain lacZ fusion nun β-galactosidase % inhibition
AU269 pmalE 2933 +/− 106 -
AU269 pmalE + 565 +/− 88 85
AU270 pmalP 662 +/− 72 -
AU270 pmalP + < 1 >99

Overnight cultures were diluted 1:100, grown for 1 hr at 37 °C, and then brought to 100µM IPTG and 0.2% maltose to induce nun and mal promoters, respectively. β-galactosidase activity (MU) was determined after an additional 3 hr at 37 °C.

The above data are an average of two independent experiments.

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