EC Number |
Turnover Number Minimum [1/s] |
Turnover Number Maximum [1/s] |
Substrate |
Reference |
---|
4.3.1.B2 | 8.6 |
- |
NH4+ |
pH 8.0, 30°C, HisF subunit |
726928 |
4.3.1.B2 | 8.7 |
- |
N1-[(5'-phosphoribulosyl)formimino]-5-aminoimidazole-4-carboxamido-1-beta-D-ribofuranosyl 5'-phosphate |
pH 7.0, 30°C, cosubstrate: L-glutamine, mutant enzyme R239K |
726939 |
4.3.1.B2 | 8.8 |
- |
NH4+ |
pH 8.0, 30°C, IGP synthase holoenzyme |
726928 |
4.3.1.B2 | 9 |
- |
L-glutamine |
pH 7.0, 30°C, cosubstrate: N1-[(5'-phosphoribulosyl)formimino]-5-aminoimidazole-4-carboxamido-1-beta-D-ribofuranosyl 5'-phosphate, mutant enzyme R239K |
726939 |
4.3.1.B2 | 9.1 |
- |
N1-[(5'-phosphoribulosyl)formimino]-5-aminoimidazole-4-carboxamido-1-beta-D-ribofuranosyl 5'-phosphate |
pH 8.0, 30°C, IGP synthase holoenzyme |
726928 |