Table 1 Model parameter list.

β

0.05 s⁻¹

Translation rate

s_A

0.7 s⁻¹

Transcription rate for R_A

s_B

0.25 s⁻¹ or 0.5 s⁻¹

Transcription rate for R_B

ζ

5 × 10⁻⁵ to 5 × 10⁻³

Stress or gradient position

δ

0.005 s⁻¹ \({{R}}_{{X}}^{-1}\)

mRNA degradation rate

ϵ

5 × 10⁻³ s⁻¹ X⁻¹

Protein degradation rate

b_B

1.0 s⁻¹ X⁻¹

B binding to G_A rate

u_B

0.1 s⁻¹

B unbinding rate