TABLE 1.
Comparison of enzyme activities in extracts of the Eps− and Eps+ strains
| Enzyme | Activity
(nmol · mg of
protein−1 · min−1)a
in:
|
|
|---|---|---|
| Eps+ strain | Eps− strain | |
| Phosphoglucose isomerase (r)b | 1,326 ± 26 | 1,449 ± 19 |
| α-Phosphoglucomutase (r) | 220 ± 8 | 190 ± 5 |
| α-Phosphoglucomutase (f) | 7 ± 0.2 | 7 ± 0.3 |
| UDP-glucose pyrophosphorylase (f) | 9 ± 0.3 | 10 ± 0.5 |
| UDP-galactose-4-epimerase (r) | 108 ± 5 | 112 ± 4 |
| 6-Phosphofructokinase | 820 ± 33 | 1,070 ± 42 |
| Fructose bisphosphatase | 4 ± 0.1 | 5 ± 0.2 |
| l-Lactate dehydrogenase | 15,271 ± 861 | 12,150 ± 570 |
a
Mean ± standard deviation (n ≥ 4).
b
r, reverse reaction; f, forward reaction.