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Literature summary extracted from
- Genetic and metabolic control of enzymes responsible for histidine degradation in Salmonella typhimurium. 4-imidazolone-5-propionate amidohydrolase and N-formimino-L-glutamate formiminohydrolase (1971), J. Biol. Chem., 246, 3320-3329.
KM Value [mM]
| EC Number | KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
|---|---|---|---|---|---|---|
| 3.5.2.7 | 0.1 | - |
4(5)-imidazolone-5(4)-propionic acid | - |
Salmonella enterica subsp. enterica serovar Typhimurium |  |
Natural Substrates/ Products (Substrates)
| EC Number | Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
|---|---|---|---|---|---|---|---|
| 3.5.2.7 | 4(5)-imidazolone-5(4)-propionic acid + H2O | Salmonella enterica subsp. enterica serovar Typhimurium | - |
? | - |
? | |
| 3.5.3.8 | N-formimidoyl-L-glutamate + H2O | Salmonella enterica subsp. enterica serovar Typhimurium | - |
L-glutamate + formamide | - |
? | |
Organism
| EC Number | Organism | UniProt | Comment | Textmining |
|---|---|---|---|---|
| 3.5.2.7 | Salmonella enterica subsp. enterica serovar Typhimurium | - |
- |
- |
| 3.5.3.8 | Salmonella enterica subsp. enterica serovar Typhimurium | - |
- |
- |
Storage Stability
| EC Number | Storage Stability | Organism |
|---|---|---|
| 3.5.2.7 | 4°C, 20 h, 50% loss of activity, stabilized by addition of MgCl2 | Salmonella enterica subsp. enterica serovar Typhimurium |
Substrates and Products (Substrate)
| EC Number | Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|---|
| 3.5.2.7 | 4(5)-imidazolone-5(4)-propionic acid + H2O | - |
Salmonella enterica subsp. enterica serovar Typhimurium | N-formimino-L-glutamate | - |
ir | |
| 3.5.2.7 | 4(5)-imidazolone-5(4)-propionic acid + H2O | - |
Salmonella enterica subsp. enterica serovar Typhimurium | ? | - |
? | |
| 3.5.3.8 | N-formimidoyl-L-glutamate + H2O | - |
Salmonella enterica subsp. enterica serovar Typhimurium | L-glutamate + formamide | - |
? | |
pH Optimum
| EC Number | pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|---|
| 3.5.2.7 | 7.4 | - |
- |
Salmonella enterica subsp. enterica serovar Typhimurium |
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Release 2023.1 (January 2023)
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