KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.038 | - |
Uracil | pH 6.0, 30°C | Escherichia coli | |
0.087 | - |
thymine | pH 6.0, 30°C | Escherichia coli | |
0.13 | - |
Dihydrothymine | pH 11.0, 30°C | Escherichia coli | |
0.16 | - |
5,6-dihydrouracil | pH 11.0, 30°C | Escherichia coli |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
44329 | - |
2 * 44329, subunit PreT, plus 2 * 45069, subunit PreA | Escherichia coli |
45069 | - |
2 * 44329, subunit PreT, plus 2 * 45069, subunit PreA | Escherichia coli |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Escherichia coli | P25889 | subunit PreA | - |
Escherichia coli | P76440 | subunit PreT | - |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
5,6-dihydrouracil + NAD+ | - |
Escherichia coli | uracil + NADH + H+ | - |
? | |
5-fluorouracil + NADH + H+ | - |
Escherichia coli | 5-fluoro-5,6-dihydrouracil + NAD+ | - |
r | |
dihydrothymine + NAD+ | - |
Escherichia coli | thymine + NADH + H+ | - |
? | |
additional information | no substrate: orotate | Escherichia coli | ? | - |
? | |
thymine + NADH + H+ | - |
Escherichia coli | dihydrothymine + NAD+ | - |
r | |
uracil + NADH + H+ | - |
Escherichia coli | 5,6-dihydrouracil + NAD+ | - |
r |
Subunits | Comment | Organism |
---|---|---|
tetramer | 2 * 44329, subunit PreT, plus 2 * 45069, subunit PreA | Escherichia coli |
Synonyms | Comment | Organism |
---|---|---|
DPD | - |
Escherichia coli |
Turnover Number Minimum [1/s] | Turnover Number Maximum [1/s] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.28 | - |
Dihydrothymine | pH 11.0, 30°C | Escherichia coli | |
0.39 | - |
thymine | pH 6.0, 30°C | Escherichia coli | |
0.64 | - |
Uracil | pH 6.0, 30°C | Escherichia coli | |
0.65 | - |
5,6-dihydrouracil | pH 11.0, 30°C | Escherichia coli |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
6 | - |
reduction of uracil, assay at | Escherichia coli |
11 | - |
oxidation of dihydrouracil, assay at | Escherichia coli |
Cofactor | Comment | Organism | Structure |
---|---|---|---|
iron-sulfur centre | - |
Escherichia coli | |
NAD+ | - |
Escherichia coli | |
NADH | specific for NADH | Escherichia coli |
kcat/KM Value [1/mMs-1] | kcat/KM Value Maximum [1/mMs-1] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
2.8 | - |
Dihydrothymine | pH 11.0, 30°C | Escherichia coli | |
4.5 | - |
thymine | pH 6.0, 30°C | Escherichia coli | |
6.5 | - |
5,6-dihydrouracil | pH 11.0, 30°C | Escherichia coli | |
17 | - |
Uracil | pH 6.0, 30°C | Escherichia coli |