Table 2.

Analysis of actin-activated Mg²⁺-ATPase activity of Myo1c^1IQ-SAH-WT and hearing mutants measured at 37°C

	pCa	Km, mean ± SD (μM)	Vmax, mean ± SD (s−1)
Myo1c1IQ-SAH-WT	4.6	19.01 ± 14.31	0.74 ± 0.21
	8.9	17.50 ± 27.85	0.66 ± 0.35
Myo1c1IQ-SAH-R156W	4.6	44.77 ± 22.37	0.75 ± 0.18
	8.9	22.64 ± 20.87	0.28 ± 0.09
Myo1c1IQ-SAH-V252A	4.6	10.47 ± 6.37	0.97 ± 0.15
	8.9	27.52 ± 21.54	0.94 ± 0.29
Myo1c1IQ-SAH-T380M	4.6	16.29 ± 18.29	0.93 ± 0.32
	8.9	13.52 ± 17.06	0.80 ± 0.29