Table 2.

Parameter values for the model of auxin-related signalling pathway (1), calculated from non-dimensionalised values in Middleton et al. (2010)

Parameter	Description	Figs. 4a,b	Figs. 5a, 8a, 9a, 10a, 11, 12 (default)	Figs. 5b, 8b, 9b, 10b,13	Figs. 6, 7
${\alpha }_m$	Maximum mRNA transcription rate, $\mu \text{M}{\text{min}}^{-1}$	0.5, 0–75	0.5	0.5	10
${\varphi }_m$	Ratio of ARF-dependent to ARF2- and double	0.1	0.1	0.1	0.1
	ARF-dependent mRNA transcription rates
${\theta }_f$	ARF-DNA binding threshold, $\mu \text{M}$	1	1	1	1
${\theta }_w$	ARF2 binding threshold, $\mu \text{M}$	10	10	10	10
${\psi }_f$	Double ARF-DNA binding threshold, $\mu \text{M}$2	0.1	0.1	0.1	0.1
${\theta }_g$	ARF + Aux/IAA-DNA binding threshold, $\mu \text{M}$	1	1	1	1
${\psi }_g$	ARF-Aux/IAA-DNA binding threshold, $\mu \text{M}$2	0.1	0.1	0.1	0.1
${\mu }_m$	mRNA decay rate, ${\text{min}}^{-1}$	0.05	0.05	0.05	0.05
${\alpha }_r$	Aux/IAA translation rate, ${\text{min}}^{-1}$	5	5	5	5
${\beta }_r$	Aux/IAA-auxin-TIR1 binding rate, $\mu {\text{M}}^{-1}{\text{min}}^{-1}$	5	5	5	5
${\gamma }_r$	Aux/IAA-auxin-TIR1 dissociation rate, ${\text{min}}^{-1}$	5	5	5	5
${\mu }_r$	Aux/IAA decay rate, ${\text{min}}^{-1}$	5	5	5	5
${\alpha }_p$	PIN translation rate, ${\text{min}}^{-1}$	5	5	5	5
${\beta }_p$	PIN-auxin-TIR1 binding rate, $\mu {\text{M}}^{-1}{\text{min}}^{-1}$	1–250	5	100	5
${\gamma }_p$	PIN-auxin-TIR1 dissociation rate, ${\text{min}}^{-1}$	5	5	5	5
${\mu }_p$	PIN decay rate, ${\text{min}}^{-1}$	5	5	5	5
${\beta }_g$	ARF-Aux/IAA binding rate, $\mu {\text{M}}^{-1}{\text{min}}^{-1}$	0.5	0.5	0.5	0.5
${\gamma }_g$	ARF-Aux/IAA dissociation rate, ${\text{min}}^{-1}$	5	5	5	5
${\beta }_a$	auxin-TIR1 binding rate, $\mu {\text{M}}^{-1}{\text{min}}^{-1}$	0.5	0.5	0.5	0.5
${\gamma }_a$	auxin-TIR1 dissociation rate, ${\text{min}}^{-1}$	5	5	5	5
${\beta }_f$	ARF dimerisation rate, $\mu {\text{M}}^{-1}{\text{min}}^{-1}$	0.5, 0.005	0.5	0.5	0.005
${\gamma }_f$	ARF2 splitting rate, ${\text{min}}^{-1}$	5, 0.05	5	5	0.05
${\alpha }_a$	Auxin biosynthesis rate, $\mu \text{M}{\text{min}}^{-1}$	0.5	0.5	0.5	0.5
${\mu }_a$	Auxin degradation rate, ${\text{min}}^{-1}$	0.5	0.5	0.5	0.5
$S_{\mathit{tot}}$	Total TIR1 present in cell, $\mu \text{M}$	10	10	10	10
$F_{\mathit{tot}}$	Total ARF present in cell, $\mu \text{M}$	10	10	10	10