Table 1.
%α MHC | n | Fmin (mN mm−2) | Fmax (mN mm−2) | pCa50 | nH |
---|---|---|---|---|---|
0 | 10 | 0.8 ± 0.3 | 22.1 ± 1.3 | 5.80 ± 0.01 | 4.24 ± 0.28 |
100 | 10 | 0.7 ± 0.2 | 20.5 ± 1.1 | 5.78 ± 0.01 | 4.11 ± 0.25 |
Data are means ±s.e.m.n, number of cardiac preparations; Fmin, Ca2+-independent force at pCa 9.0; Fmax, maximal Ca2+-activated force at pCa 4.5; pCa50, pCa required for half-maximal force generation; nH, Hill coefficient for total force–pCa relationship.