Table 1.

FDH activities measured in the crude cell extracts of single- and co-expression strains at two induction temperatures.

E coli strain	CbFDH (U/gCDW) at 25°C	CbFDH (U/gCDW) at 18°C
JM109_FDH	408 (reference, [8])	n.d.
BL21_FDH	402 ± 381	450
Star_FDH	458	551
Rosetta_FDH	445	614
BL21_XR_FDH	85 ± 122	110 ± 202
BL21_XR_2FDH	146 ± 301	186 ± 302
Rosetta_XR_FDH	100 ± 181	138 ± 232
Rosetta_XR_2FDH	202 ± 211	251 ± 502

¹n ≥ 3; ²n ≥ 7; n.d. not determined.