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Single-channel properties of mammalian InsP3R isoforms
| InsP3R | ATP (mM) | Po (%) | i (pA) | τo (mS) | τc (mS) | γ (pS) |
|---|---|---|---|---|---|---|
| RT1 | 0.5 | 33 ± 5 | 1.9 ± 0.1 | 7.0 ± 0.3 | 9.9 ± 1.3 | 80.0 ± 0.3 |
| RT2 | 0.5 | 27 ± 6 | 1.9 ± 0.1 | 7.3 ± 0.4 | 10.6 ± 1.6 | 78.0 ± 0.5 |
| RT3 | 0.5 | 4 ± 1 | 1.91 ± 0.04 | ND | ND | 74.0 ± 0.4 |
| 5 | 33 ± 9 | 1.8 ± 0.2 | 7.4 ± 1.2 | 9.8 ± 1.1 | ND |
ND, not determined.
