Table 1.

Steady-state kinetic parameters

Values are shown ± S.E.

Parameter	WTa	Shaker-1
kbasal (s−1)	0.2 ± 0.02	0.03 ± 0.001
Vmax (s−1)	0.7 ± 0.02	0.054 ± 0.01
Kactin (μm)	10.5 ± 1.7	2.74 ± 0.2

^a The values listed for WT myosin VIIa are from Haithcock et al. (37).