Table S1.
Actin-activated ATPase activity of Dicty S1dC constructs
| Labeling site | Unlabeled | BSL labeled | |||
| Vmax (s−1) | KATPase (µM) | Vmax (s−1) | KATPase (μM) | Spins/protein | |
| 492.496-BSL (relay helix) | 2.32 ± 0.10 | 7.77 ± 0.75 | 4.05 ± 0.30 | 15.40 ± 1.60 | 0.97 |
| 325.329-BSL (helix HK) | 5.33 ± 0.30 | 15.06 ± 1.19 | 3.85 ± 0.99 | 22.00 ± 7.06 | 0.87 |
| 639.643-BSL (helix HW) | 3.75 ± 0.18 | 13.43 ± 1.51 | 2.05 ± 0.06 | 11.80 ± 0.78 | 0.96 |
Vmax is the activity at saturating actin, and KATPase is the actin concentration needed for half-maximal activation (V = Vmax/2). Errors are ±SEM (n = 3). Label-to-protein ratios were determined by spin counting.