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Predicted dynamics of the FNR system during a shift to anaerobic growth. Initial steady states of the fnr mRNA, inactive FNR, and active FNR are 0.16, 4.63 and 0.08 µM, respectively. (a) Initial dynamics of fnr mRNA (dotted line), inactive FNR (dashed/dotted line), and active FNR (continuous line). (b) Comparison of the settling dynamics of active FNR with repression (continuous line) and that of active FNR without repression (broken line).
