Table 1.
Parameter definitions and descriptions.
| Parameter | Description |
|---|---|
| κ (μm2) | Collecting area |
| nch | CNG channel cooperativity |
| βd (s−1) | Rate constant of cGMP hydrolysis in darkness |
| μrh (s−1) | Rate of deactivation of an activated visual pigment |
| μpde (s−1) | Rate of deactivation of a light-activated PDE |
| μtr (s−1) | Rate of deactivation of activated transducin |
| Sensitivity of the cyclase activity on the Ca2+ concentration scaled by the dark Ca2+ concentration | |
| ξ | |
| kact (s−1) | Rate of transducin activation by an activated visual pigment |
| βsub (s−1) | Rate constant of cGMP hydrolysis by a light-activated PDE |