Table 1. Effect of acclimation temperature and assay temperature on the function of actomyosin Mg²⁺-ATPase in rainbow trout ventricle.

Assay temperature	Vmax(nmol Pi/(min · mg protein))	Q10	pCa50	Hill coefficient
Cold acclimated (4°C)
17°C (n = 6)	81.11±10.96 *,#	2.27	6.76±0.07 *	1.27±0.10 *
7°C (n = 6)	35.68±5.50 *,‡		6.40±0.07 *	1.78±0.29
Control (12°C)
17°C (n = 8)	60.54±5.03 †	2.43	6.74±0.11†	1.84±0.19 *
7°C (n = 7)	24.92±2.90 †		6.41±0.11†	1.59±0.22
Warm acclimated (17°C)
17°C (n = 9)	54.82±5.90 §, #, ‡	2.06	6.56±0.07	1.42±0.11
7°C (n = 8)	26.66±3.40 §		6.24±0.15	1.21±0.12

Note: Data are mean ± SEM. Values with the same symbol in the same column are significantly different from each other (p<0.05).