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Substrate specificity of PH
| Substrate | Substrate concentration, mM | Specific activity, μmol· min−1⋅mg−1 |
|---|---|---|
| Purine | 0.1 | 1.0 |
| Hypoxanthine | 0.1 | 1.6 |
| 2OH-purine | 0.1 | 1.2 |
| Allopurinol | 0.5 | 1.3 |
| Benzaldehyde | 1.0 | 0.7 |
| Adenine | 1.0 | ND |
| Nicotinic acid | 2.0 | ND |
| Xanthine | 2.0 | ND |
| 2,6-Diaminopurine | 2.0 | ND |
ND, activity not detectable.
