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. 2009 May 20;96(10):4132–4143. doi: 10.1016/j.bpj.2009.02.034

Table 3.

Summary of isometric data from isolated IFM

Line Tension (mN/mm2)
 Hill fit parameters
Active (pCa = 5.0) Relaxed (pCa = 8.0) Cross-bridge Dep. (Active–relaxed) n pCa50 Hill coefficient n
PwMhc2 3.2 ± 0.3 2.1 ± 0.2 1.1 ± 0.2 14 5.9 ± 0.1 1.5 ± 0.2 11
15b-47 3.1 ± 0.4 2.0 ± 0.3 1.3 ± 0.3 10 5.9 ± 0.1 1.4 ± 0.2 11
15b-108 2.9 ± 0.3 1.8 ± 0.2 1.1 ± 0.1 11 6.0 ± 0.1 1.5 ± 0.2 12

Isometric tension and Hill fit data from isolated IFM. Cross-bridge Dep., Cross-bridge dependent. Temperature, 15°C.