Ca2+ Current in Near-physiological Salt Mixtures
. | Mammalian RyR2 . | Amphibian RyR . |
|---|---|---|
| pA | pA | |
| 0.5 mM [Ca2+]L | 0.27 | 0.26 |
| 0.75 mM [Ca2+]L | 0.39 | 0.37 |
| 1.0 mM [Ca2+]L | 0.49 | 0.48 |
| 1.25 mM [Ca2+]L | 0.59 | 0.58 |
. | Mammalian RyR2 . | Amphibian RyR . |
|---|---|---|
| pA | pA | |
| 0.5 mM [Ca2+]L | 0.27 | 0.26 |
| 0.75 mM [Ca2+]L | 0.39 | 0.37 |
| 1.0 mM [Ca2+]L | 0.49 | 0.48 |
| 1.25 mM [Ca2+]L | 0.59 | 0.58 |
Values taken from single hyperbolic curve fits presented in Fig. 7 D.
All experiments were at 0 mV, with symmetrical 1 mM Mg2+ and 150 mM K+.