Table 3.
Parameter | Description | Parameter value | Experimental value | Source |
---|---|---|---|---|
k0+ATP | ATP binding | 2 × 106 M−1 s−1 | 2.2 × 106 M−1 s−1 | (58) |
k0−ATP | ATP release | 50 s−1 | 175 s−1a | (58) |
k0−MT | MT release, D | 500 s−1 | 460 s−1 | (26) |
k0+MT | MT binding, D | 100 s−1 | ||
k′0+RS | ATP hydrolysis, linker swing to prestroke | 1000 s−1 | 180 s−1b | (58) |
k′0−RS | ATP synthesis, linker swing to poststroke | 100 s−1 | 4 s−1; 30 s−1 | (47,58) |
k′0+MT | MT binding, D∗ | 10,000 s−1 | ||
k′0−MT | MT release, D∗ | 500 s−1 | ||
k0−Pi | Pi release | 5000 s−1 | ||
k0+Pi | Pi binding | 104 M−1 s−1 | 8000 M−1 s−1c | (47) |
k0+PS | Power stroke | 5000 s−1 | ||
k0−PS | Reverse stroke | 10 s−1 | ||
k0−ADP | ADP release | 160 s−1 | ∼1000 s−1 | (27) |
k0+ADP | ADP binding | 2.7 × 106 M−1 s−1 | 2.7 × 106 M−1 s−1 | (27) |
Calculated from Keq and K+ATP.
Measurement includes the transition between ATP binding and isomerization.
Without MT.