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. 2018 Jan 31;15(138):20170804. doi: 10.1098/rsif.2017.0804

Figure 3.

Figure 3.

Schematic diagrams of the derived piecewise deterministic Markov process (PDMP) for (a) idealized activator-titration circuit (ATC) and (b) idealized repressor-titration circuit (RTC). Both models have a single promoter site Inline graphic. The linearized PDMP for ATC and RTC are shown in (c) and (d), respectively, where the green circular arrows indicates the direction of the emergent stochastic cycles. Dark blue Inline graphic and light red Inline graphic boxes denote promoter states with different production rates where Inline graphic and Inline graphic, respectively. The transitions between the two regimes Inline graphic and (Inline graphic) are due to titration. (Online version in colour.)