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. 2015 Feb 25;5:8573. doi: 10.1038/srep08573

Table 2. Intrinsic and 70S ribosome-stimulated GTPase activity of EF4 and variants.

	K_M (μM)		k_cat (s⁻¹)		k_cat/K_M (s⁻¹M⁻¹)
	Intrinsic	70 S	Intrinsic	70 S	Intrinsic	70 S
EF4	270 ± 90	0.32 ± 0.08	0.003 ± 0.001	2.3 ± 0.3	11 ± 5	7 ± 2
ΔA494	370 ± 35	36 ± 26	0.005 ± 0.001	5 ± 3	14 ± 3	0.14 ± 0.13
ΔP520	900 ± 200	10 ± 5	0.007 ± 0.001	5 ± 2	8 ± 2	0.5 ± 0.3
ΔG555	700 ± 100	7 ± 3	0.003 ± 0.001	0.6 ± 0.2	4 ± 2	0.09 ± 0.05
EF-G	n.d.	0.40 ± 0.10	n.d.	2.7 ± 0.3	n.d.	7 ± 2