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Literature summary extracted from
- Regulation of the histidine utilization (Hut) system in bacteria (2012), Microbiol. Mol. Biol. Rev., 76, 565-584.
Natural Substrates/ Products (Substrates)
| EC Number | Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
|---|---|---|---|---|---|---|---|
| 4.2.1.49 | 3-(5-oxo-4,5-dihydro-3H-imidazol-4-yl)propanoate | Pseudomonas syringae | - |
urocanate + H2O | - |
? |  |
Organism
| EC Number | Organism | UniProt | Comment | Textmining |
|---|---|---|---|---|
| 4.2.1.49 | Pseudomonas syringae | - |
- |
- |
Substrates and Products (Substrate)
| EC Number | Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|---|
| 4.2.1.49 | 3-(5-oxo-4,5-dihydro-3H-imidazol-4-yl)propanoate | - |
Pseudomonas syringae | urocanate + H2O | - |
? | |
Subunits
| EC Number | Subunits | Comment | Organism |
|---|---|---|---|
| 4.2.1.49 | homodimer | - |
Pseudomonas syringae |
Synonyms
| EC Number | Synonyms | Comment | Organism |
|---|---|---|---|
| 4.2.1.49 | HutU | - |
Pseudomonas syringae |
| 4.2.1.49 | Urocanase | - |
Pseudomonas syringae |
Cofactor
| EC Number | Cofactor | Comment | Organism | Structure |
|---|---|---|---|---|
| 4.2.1.49 | NAD+ | each monomer of urocanase contains one molecule of tightly bound NAD+, which is required for its activity | Pseudomonas syringae | |
Expression
| EC Number | Organism | Comment | Expression |
|---|---|---|---|
| 4.2.1.49 | Pseudomonas syringae | urocanase activity is 14fold higher in cells grown at 4°C than at 20°C | up |
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Release 2023.1 (January 2023)
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