threo-3-hydroxy-D-aspartate ammonia-lyase EC#: 4.3.1.27; ChemWhat Code: 1382859
| Product Name | threo-3-hydroxy-D-aspartate ammonia-lyase |
| Example Structure |  |
| Synonyms | D-THA DH, D-threo-3-hydroxyaspartate ammonia-lyase, D-threo-3-hydroxyaspartate dehydratase |
| EC Number | 4.3.1.27 |
| CAS Registry Number | |
| Comments | A pyridoxal-phosphate protein. The enzyme, purified from the bacterium?Delftia?sp. HT23, also has activity against?L-threo-3-hydroxyaspartate,?L-erythro-3-hydroxyaspartate, and?D-serine. Different from EC?4.3.1.20,?erythro-3-hydroxy-L-aspartate ammonia-lyase and EC?4.3.1.16,?threo-3-hydroxy-L-aspartate ammonia-lyase. Requires a divalent cation such as Mn2+, Co2+?or Ni2+. |
| Cofactor | pyridoxal 5′-phosphate |
| History | |
| Reactions | Threo-3-hydroxy-D-aspartate = oxaloacetate + NH(3). |
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