Parameter values used for assessing effect of TnC on Ca2+–EGTA equilibrium
| Parameter . | Value . | Comments . |
|---|---|---|
| EGTA | 50,000 μM | |
| k1+ | 1.67 M−1 s−1 | From Kd of 0.18 μM (Smith et al., 1984) and k1− |
| k1− | 0.31 s−1 | Smith et al. (1984) |
| Tn | 100 μM | 2 Ca2+ binding sites/molecule (i.e., binding sites, 200 μM) |
| k2+ | 240 M−1 s−1 | Baylor et al. (1983) for rabbit TnC, adjusted from 16°C to 25°C assuming a Q10 of 2.0 |
| k2− | 2,900 s−1 | |
| k3+ | 4.7 M−1 s−1 | |
| k3- | 165 s−1 |
| Parameter . | Value . | Comments . |
|---|---|---|
| EGTA | 50,000 μM | |
| k1+ | 1.67 M−1 s−1 | From Kd of 0.18 μM (Smith et al., 1984) and k1− |
| k1− | 0.31 s−1 | Smith et al. (1984) |
| Tn | 100 μM | 2 Ca2+ binding sites/molecule (i.e., binding sites, 200 μM) |
| k2+ | 240 M−1 s−1 | Baylor et al. (1983) for rabbit TnC, adjusted from 16°C to 25°C assuming a Q10 of 2.0 |
| k2− | 2,900 s−1 | |
| k3+ | 4.7 M−1 s−1 | |
| k3- | 165 s−1 |