Table 1.

Summary of actin activated ATPase and in vitro motility results.

Construct	V0 (s−1)	kcat (s−1)	KATPase (µM)	KActin (µM)	Velocity (nm/s)
MYO3A ΔK 2IQ WT	0.09 ± 0.01	2.19 ± 0.09	1.93 ± 0.48	4.69 ± 1.60	54.8 ± 0.6
MYO3A ΔK 2IQ  L697W	0.13 ± 0.01	0.31 ± 0.01	≤0.77	2.21 ± 0.53	31.3 ± 0.4

ATPase data (represented as mean ± SEM) and in vitro motility data (represented as mean ± SEM; n = 150 filaments) were reported from at least 3 protein preparations.