TABLE 1.

(²H/¹H)_j ratios (in ppm) of labeled substrates used in cultures A-E

Culture	Culture conditions	(2H/1H)H2O	(2H/1H)Glc-6,6	(2H/1H)Glc-1	Mass[2-2H3]acetate·Na
					mg/liter
A	NAa	148.9	148.9	168.2
B	2H2O	318.1	148.9	168.2
C	[6,6-2H2]Glucose	148.9	481.6	168.2
D	[1-2H]Glucose	148.9	148.9	663.5
E	[2-2H3]Acetate·Nab	148.9	148.9	168.2	110.0

^aNA means natural abundance level in ²H.

^b[2-²H₃]Acetate·Na indicates enriched in deuterium at 99.4 atom %.