TABLE 1.

d-Amino acid transaminase and glutamate racemase activity of dat and glr clones^a

Strain	d-Amino acid trans- aminase sp act (Ub/ mg of protein)	Glutamate race- mase sp act (Uc/ mg of protein)	Complemen- tation of WM335d
WM335/pIF306	0.0080	0.007	−
WM335/pIF1001 (glr)	0.0065	0.025	+
WM335/pIF1002 (dat)	7.09	0.005	+
WM335/pIF372 (dat)	0.3	NDe	+

^aResults represent averages of three assays corrected for endogenous rates. 

^bOne unit of activity defined as 1 mmol of pyruvate (NAD) produced per min at 37°C. 

^cOne unit of activity defined as 1 mmol of NADPH produced per min at 37°C. 

^dComplementation being normal overnight growth on LB agar. Symbols: −, no growth; +, growth. 

^eND, not determined.