TABLE 5.

Analysis of the activity of hydrogenase, EcTMAOR, and EcNR in the E. coli ΔtusA strain

Activites were measured as units/mg. For E. coli hydrogenases, specific enzyme activity is defined as 1 μmol of benzyl viologen reduced min⁻¹mg⁻¹. For EcTMAOR and EcNR, specific enzyme activity is defined as the oxidation of 1 μmol of benzyl viologen min⁻¹ mg⁻¹.

Enzyme	BW25113	ΔtusA	ΔmnmA
	Units/mg	Units/mg	Units/mg
E. coli hydrogenases	6.56 ± 0.46	25.99 ± 2.25	9.12 ± 1.76
E. coli TMAOR	1.73 ± 0.04	0.07 ± 0.01	1.75 ± 0.05
E. coli NR	2.13 ± 0.05	0.13 ± 0.01	2.17 ± 0.06