TABLE 4.

Glucose kinase activities of ADB77, CJB100, CJB200, and CJB101 B. fragilis cell extracts^a

Strain	Activity (μmol of NAD+ reduced/mg/min)	% Activityb
ADB77 (Wild type)	0.095 ± 0.001	100
CJB100 (ΔrokA)	0.035 ± 0.001	36
CJB200 (ΔhexA)	0.013 ± 0.001	14
CJB101 (ΔrokAΔhexA)	NDc	0

^aExtracts of each strain were assayed at least five times.

^bPercent activity compared to ADB77 activity.

^cND, not detected.