| Inhibitors | Comment | Organism | Structure |
|---|---|---|---|
| AMP | linear competitive inhibitor with respect to ATP, stabilizes the enzyme to thermal inactivation, protect the ordered enzymatic structure against thermodenaturation | Escherichia coli | |
| ATP | inhibits the reaction at high concentrations | Escherichia coli | |
| L-histidine | feed-back inhibition; stabilizes the enzyme to thermal inactivation, protects the ordered enzymatic structure against thermodenaturation, no interaction with binding sites | Escherichia coli |
| Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| ATP + 5-phospho-alpha-D-ribose 1-diphosphate | Escherichia coli | first step in histidine biosynthesis | diphosphate + N-1-(5'-phosphoribosyl)-ATP | - |
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| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Escherichia coli | - |
- |
- |
| Reaction | Comment | Organism | Reaction ID |
|---|---|---|---|
| 1-(5-phospho-beta-D-ribosyl)-ATP + diphosphate = ATP + 5-phospho-alpha-D-ribose 1-diphosphate | sequential kinetic mechanism in biosynthetic direction, ordered bi-bi mechanism with ATP binding first to free enzyme and phosphoribosyl-ATP dissociating last from enzyme-product complexes | Escherichia coli | |
| 1-(5-phospho-beta-D-ribosyl)-ATP + diphosphate = ATP + 5-phospho-alpha-D-ribose 1-diphosphate | double displacement mechanism | Escherichia coli |
| Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| ATP + 5-phospho-alpha-D-ribose 1-diphosphate | - |
Escherichia coli | 1-(5-phospho-D-ribosyl)-ATP + diphosphate | - |
? | |
| ATP + 5-phospho-alpha-D-ribose 1-diphosphate | first step in histidine biosynthesis | Escherichia coli | diphosphate + N-1-(5'-phosphoribosyl)-ATP | - |
? |