EC Number | KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|---|
2.5.1.55 | 0.019 | - |
D-arabinose 5-phosphate | pH 7.6, 37°C | Escherichia coli | |
2.5.1.55 | 0.05 | - |
2-deoxyribose 5-phosphate | pH 7.6, 37°C | Escherichia coli |
EC Number | Organism | UniProt | Comment | Textmining |
---|---|---|---|---|
2.5.1.54 | Escherichia coli | - |
phenylalanine-sensitive isozyme | - |
2.5.1.55 | Escherichia coli | - |
- |
- |
EC Number | Reaction | Comment | Organism | Reaction ID |
---|---|---|---|---|
2.5.1.54 | phosphoenolpyruvate + D-erythrose 4-phosphate + H2O = 3-deoxy-D-arabino-hept-2-ulosonate 7-phosphate + phosphate | mechanism | Escherichia coli |
EC Number | Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|---|
2.5.1.54 | phosphoenolpyruvate + D-erythrose 4-phosphate + H2O | - |
Escherichia coli | 2-dehydro-3-deoxy-D-arabino-heptonate 7-phosphate + phosphate | - |
ir | |
2.5.1.54 | phosphoenolpyruvate + DL-glyceraldehyde 3-phosphate | - |
Escherichia coli | pyruvate + phosphate | - |
? | |
2.5.1.55 | additional information | in presence of D-erythrose 4-phosphate or D-ribose 5-phosphate the enzyme catalyzes the rapid consumption of approximately 1 mol of phosphoenolpyruvate per active site, after which consumption of phosphoenolpyruvate slows to a negligible but measurable rate | Escherichia coli | ? | - |
? | |
2.5.1.55 | phosphoenolpyruvate + 2-deoxyribose 5-phosphate | - |
Escherichia coli | ? | - |
? | |
2.5.1.55 | phosphoenolpyruvate + D-arabinose 5-phosphate | - |
Escherichia coli | 2-dehydro-3-deoxy-D-octonate 8-phosphate + phosphate | - |
? | |
2.5.1.55 | phosphoenolpyruvate + erythrose 4-phosphate | the enzyme does not catalyze the condensation of D-erythrose 4-phosphate and phosphoenolpyruvate to form 3-deoxy-D-ribo-heptulosonate 7-phosphate | Escherichia coli | 3-deoxy-D-ribo-heptulosonate 7-phosphate | - |
? |
EC Number | Turnover Number Minimum [1/s] | Turnover Number Maximum [1/s] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|---|
2.5.1.55 | 0.12 | - |
2-deoxyribose 5-phosphate | pH 7.6, 37°C | Escherichia coli | |
2.5.1.55 | 6.8 | - |
D-arabinose 5-phosphate | pH 7.6, 37°C | Escherichia coli |