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. Author manuscript; available in PMC: 2010 Jul 21.
Published in final edited form as: Biochemistry. 2009 Jul 21;48(28):6664–6673. doi: 10.1021/bi8022653

Table 1.

Comparing the GTPase Activity of Wild-Type FtsZ and Un-labeled and Labeled FtsZ-F268C in Different Buffersa

GTPase activity (GTP min−1 FtsZ−1)
buffer WT FtsZ FtsZ-F268C FtsZ-F268C, labeled
100mM KAc 6.1 4.7 4.5
500 mM KAc 4.1 3.2 0.6
100mM RbCl 3.3 3.4 1.8
500mM RbCl 2.1 2.4 0.6
a

All buffers contained 5 mM MgAc and are at pH 7.7. Measurements were taken in a thermostatically controlled cell at 25 °C.