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Literature summary for 2.7.3.9 extracted from
- Transient state kinetics of Enzyme I of the phosphoenolpyruvate:glycose phosphotransferase system of Escherichia coli: equilibrium and second-order rate constants for the phospho transfer reactions with phosphoenolpyruvate and HPr (2005), Biochemistry, 44, 12790-12796.
Natural Substrates/ Products (Substrates)
| Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| phosphoenolpyruvate + HPr | Escherichia coli | the first two reactions in the phosphotransfer sequence of bacterial phosphoenolpyruvate:glycose phosphotransferase systems are the autophosphorylation of enzyme I by phosphoenolpyruvate followed by the transfer of the phospho group to the low-molecular weight protein, HPr | pyruvate + phospho-HPr | - |
r |  |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Escherichia coli | - |
- |
- |
Substrates and Products (Substrate)
| Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| phosphoenolpyruvate + HPr | the first two reactions in the phosphotransfer sequence of bacterial phosphoenolpyruvate:glycose phosphotransferase systems are the autophosphorylation of enzyme I by phosphoenolpyruvate followed by the transfer of the phospho group to the low-molecular weight protein, HPr | Escherichia coli | pyruvate + phospho-HPr | - |
r | |
| phosphoenolpyruvate + HPr | the dimer of enzyme I, EI2, can phosphorylate multiple molecules of HPr without dissociating to a monomer. The monomer of enzyme I, EI, can accept a phospho group from phospho-HPr | Escherichia coli | pyruvate + phospho-HPr | - |
r | |
Subunits
| Subunits | Comment | Organism |
|---|---|---|
| dimer | the dimer of enzyme I, EI2, can phosphorylate multiple molecules of HPr without dissociating to a monomer | Escherichia coli |
Synonyms
| Synonyms | Comment | Organism |
|---|---|---|
| phosphoenolpyruvate:glycose phosphotransferase system enzyme I | - |
Escherichia coli |
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