TABLE 4.

Effect of cys mutation on production of FHL and nitrate reductase activities by moeA mutant strain SE1588

Strain	Relevant genotype	Enzyme activity (nmol min−1 mg of cell protein−1)
		FHL		Nitrate reductase
		LBG	LSM	LBGN	LSMN
BW545	Wild type	240	65	570	530
SE1588	moeA103	<1	35	50	320
AH69	moeA113	<1	25	40	300
AH131	cysN-Km	230	45	630	570
AH1	cysN-Km moeA103	<1	<1	35	55
AH134	moeA113 cysN-Km	<1	<1	50	40
JM73	cysJ	130	25	720	450
AH8	cysJ moeA103	<1	<1	50	60