Erratum to: dehydratase mediated 1-propanol production in metabolically engineered Escherichia coli

Table 1 Methylglyoxal synthase assay results

*mgsA* source	Specific Activity (U/mg)	K_m(mM)	Specific Activity/K_m(U/mg/mM)
C. acetobutylicum	0.0541 ± 0.0042	0.776 ± 0.005	0.0697
*B. subtilis*	0.0561 ± 0.0031	0.473 ± 0.070	0.1186
C. difficile	0.0597 ± 0.0039	1.439 ± 0.060	0.0415
E. coli	0.1242 ± 0.0069	1.418 ± 0.120	0.0876
T. thermophilus	0.0161 ± 0.0004	2.118 ± 0.070	0.0076
K. pneumoniae	0.0165 ± 0.0009	2.820 ± 0.300	0.0058
P. fluorescens	0.0133 ± 0.0082	1.560 ± 0.020	0.0085
R. eutropha	0.0052 ± 0.0004	0.700 ± 0.030	0.0074

Substrate dihydroxyacetone phosphate concentration was varied from 0.15 mM to 1.5 mM for all reactions. 1 unit (U) was defined as the amount (μmoles) of methylglyoxal formed per unit time (min).

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