TABLE 2.
Enzyme activities involved in the anaerobic utilization of allantoin for wild-type strain ECL1 and mutant strain JA173
| Enzyme | Activity (mU/mg) under the following growth conditions for the indicated strain:
|
|||
|---|---|---|---|---|
| Xylose-NH4+
|
Xylose-allantoin
|
|||
| ECL1 | JA173 | ECL1 | JA173 | |
| Glyoxylate carboligase | 15 | 515 | 112 | 890 |
| Tartronic semialdehyde dehydrogenase | 5 | 175 | 40 | 310 |
| Glycerate kinase | 0 | 85 | 10 | 70 |
| Allantoinase | 0 | 20 | 27 | 520 |
| Allantoate amidohydrolaes | 0 | 10 | 13 | 320 |
| Ureidoglycolate dehydrogenase | 0 | 10 | 5 | 175 |
| Ureidoglycolate hydrolase | 0 | 4 | 3 | 9 |