Table 1. SH activities in CTAB-treated cells of different R. eutropha derivatives grown in FGN medium.

		H2→NAD+ activity
R. eutropha strain	Relevant characteristics	[Units mg−1]
HF798	SH+	5.7±1.0
HF903	SH− (ΔhoxFU)	<0.001
HF903 (pGE553)	SH+, phoxStrepFU	2.8±0.2

Values represent the arithmetic mean and standard deviation of three independent experiments.