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. 2015 May 21;290(28):17535–17545. doi: 10.1074/jbc.M115.659672

TABLE 2.

Single channel properties of purified heterotetrameric WT and G4934V RyR1s

Po
γK+ ICa (+10 mm Ca trans) PCa/PK
2 μm Ca 0.1 μm Ca
pS pA
Type 1 (WT) 0.30 ± 0.07 (10) 0.02 ± 0.02 (10) 764 ± 9 (10) −2.2 ± 0.1 (10) 6.7 ± 0.1 (10)
Type 2 0.31 ± 0.13 (3) 0.07 ± 0.04 (3) 740 ± 31 (3) −1.5 ± 0.1 (3)a 1.7 ± 0.3 (3)a
Type 3 0.91 ± 0.03 (6)a 0.12 ± 0.06 (6) 772 ± 9 (6) −2.3 ± 0.1 (6) 7.1 ± 0.1 (6)a
Type 4 0.96 ± 0.02 (13)a 0.90 ± 0.05 (13)a 691 ± 11 (13)a −1.8 ± 0.1 (13)a 6.1 ± 0.4 (13)
Type 5 (G4934V) 0.59 ± 0.07 (40)a 0.59 ± 0.06 (40)a 598 ± 55 (40) 0.1 ± 0.1 (40)a NDb

a p < 0.05 compared to WT.

b ND, not determined.