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The ATPase activity of purified FtsH and its variants
The proteins were purified, and their ATPase activity was determined as described under “Experimental Procedures.”
| FtsH variant | ATPase activity |
|---|---|
| nmol Pi/min/mg | |
| Wild-type FtsH | 139.5 |
| FtsH(K198N) | 18.1 |
| FtsH(HEH) | 147.8 |
| FtsH(AAA) | 155.6 |
