Table 2.
Parameter setting for standard oscillation of ROP activity in model II
| Parameter | Biological meaning (unit) | Value |
|---|---|---|
| βx | Parameter for ROP1 activation rate (s−1) | 0.1 |
| βy | Parameter for calcium accumulation rate (s−1) | 0.25 |
| αx | ROP1 inactivation rate (s−1) | 0.8 |
| αy | Calcium depletion rate (s−1) | 0.05 |
| x0 | Initial value for active ROP1 concentration (μM) | 0.1 |
| y0 | Initial value for calcium concentration (μM) | 0.8 |
| R0 | Parameter for saturated ROP1 concentration in cell (μM) | 5 |
| k | Parameter for ROP1-dependent F-actin level (1) | 2.2 |
| b | Parameter for basal calcium increase (μM) | 0.05 |
| τ | Time delay between ROP1 and calcium accumulation (s) | 8 |
| M | Parameter for piecewise activation of GAP by calcium (1) | 10 |
| ymin | Parameter for piecewise activation of GAP by calcium (μM) | 0.5 |
| ymax | Parameter for piecewise activation of GAP by calcium (μM) | 5 |