4.3.2.10 additional information - 5-[(5-phospho-1-deoxy-D-ribulos-1-ylamino)methylideneamino]-1-(5-phospho-beta-D-ribosyl)imidazole-4-carboxamide pH 7.0, 25°C, kinetic constants are determined for wild-type and mutant enzymes 747285 4.3.2.10 additional information - L-glutamine pH 7.0, 25°C, kinetic constants are determined for wild-type and mutant enzymes 747285 4.3.2.10 0.00165 - L-glutamine pH 8.0, 37°C, wild-type enzyme 749186 4.3.2.10 0.00173 - L-glutamine pH 8.0, 37°C, HisF mutant enzyme V12A 749186 4.3.2.10 0.00311 - L-glutamine pH 8.0, 37°C, mutant enzyme D98A 749186 4.3.2.10 0.00328 - L-glutamine pH 8.0, 37°C, mutant enzyme V48A 749186 4.3.2.10 0.00372 - L-glutamine pH 8.0, 30°C 747861 4.3.2.10 0.00372 - L-glutamine pH 8.0, 30°C, basal activity 747861 4.3.2.10 0.0054 - L-glutamine pH 8.0, 37°C, HisF mutant enzyme K19A 749186 4.3.2.10 0.045 - 5-[(5-phospho-1-deoxy-D-ribulos-1-ylamino)methylideneamino]-1-(5-phospho-beta-D-ribosyl)imidazole-4-carboxamide 30°C, pH 7.0, cosubstrate: L-glutamine, mutant enzyme K258A 747058 4.3.2.10 0.0571 - L-glutamine pH 8.0, 40°C 747861 4.3.2.10 0.0571 - L-glutamine pH 8.0, 40°C, basal activity 747861 4.3.2.10 0.126 - 5-[(5-phospho-1-deoxy-D-ribulos-1-ylamino)methylideneamino]-1-(5-phospho-beta-D-ribosyl)imidazole-4-carboxamide 30°C, pH 7.0, cosubstrate: L-glutamine, mutant enzyme K258R 747058 4.3.2.10 0.139 - L-glutamine pH 8.0, 50°C 747861 4.3.2.10 0.139 - L-glutamine pH 8.0, 50°C, basal activity 747861 4.3.2.10 0.15 - 5-[(5-phospho-1-deoxy-D-ribulos-1-ylamino)methylideneamino]-1-(5-phospho-beta-D-ribosyl)imidazole-4-carboxamide 30°C, pH 7.0, cosubstrate: NH4+, mutant enzyme R239A 747058 4.3.2.10 0.18 - L-glutamine pH 8.0, 37°C, HisF mutant enzyme D98A, activated by 1 mM 5-[(5-phospho-1-deoxy-D-ribulos-1-ylamino)methylideneamino]-1-(5-phospho-beta-D-ribosyl)imidazole-4-carboxamide 749186 4.3.2.10 0.204 - L-glutamine pH 8.0, 70°C 747861 4.3.2.10 0.204 - L-glutamine pH 8.0, 70°C, basal activity 747861 4.3.2.10 0.21 - 5-[(5-phospho-1-deoxy-D-ribulos-1-ylamino)methylideneamino]-1-(5-phospho-beta-D-ribosyl)imidazole-4-carboxamide 30°C, pH 7.0, cosubstrate: NH4+, mutant enzyme R239H 747058 4.3.2.10 0.212 - L-glutamine pH 8.0, 60°C 747861 4.3.2.10 0.212 - L-glutamine pH 8.0, 60°C, basal activity 747861 4.3.2.10 0.24 - 5-[(5-phospho-1-deoxy-D-ribulos-1-ylamino)methylideneamino]-1-(5-phospho-beta-D-ribosyl)imidazole-4-carboxamide 30°C, pH 7.0, cosubstrate: L-glutamine, mutant enzyme K360A 747058 4.3.2.10 0.24 - L-glutamine pH 8.0, 37°C, HisF mutant enzyme V48A, activated by 1 mM 5-[(5-phospho-1-deoxy-D-ribulos-1-ylamino)methylideneamino]-1-(5-phospho-beta-D-ribosyl)imidazole-4-carboxamide 749186 4.3.2.10 0.29 - 5-[(5-phospho-1-deoxy-D-ribulos-1-ylamino)methylideneamino]-1-(5-phospho-beta-D-ribosyl)imidazole-4-carboxamide 30°C, pH 7.0, cosubstrate: L-glutamine, mutant enzyme K360R 747058 4.3.2.10 0.3 - 5-[(5-phospho-1-deoxy-D-ribulos-1-ylamino)methylideneamino]-1-(5-phospho-beta-D-ribosyl)imidazole-4-carboxamide 30°C, pH 7.0, cosubstrate: NH4+, mutant enzyme R239K 747058 4.3.2.10 0.31 - 5-[(5-phospho-1-deoxy-D-ribulos-1-ylamino)methylideneamino]-1-(5-phospho-beta-D-ribosyl)imidazole-4-carboxamide 30°C, pH 7.0, cosubstrate: NH4+, mutant enzyme K360R 747058 4.3.2.10 0.4 - L-glutamine pH 8.0, 25°C, wild-type HisH-HisF complex 748148 4.3.2.10 0.57 - L-glutamine pH 8.0, 37°C, HisF mutant enzyme K19A, activated by 1 mM 5-[(5-phospho-1-deoxy-D-ribulos-1-ylamino)methylideneamino]-1-(5-phospho-beta-D-ribosyl)imidazole-4-carboxamide 749186 4.3.2.10 0.6 - NH4+ pH 7.0, 30°C 749228 4.3.2.10 0.7 - 5-[(5-phospho-1-deoxy-D-ribulos-1-ylamino)methylideneamino]-1-(5-phospho-beta-D-ribosyl)imidazole-4-carboxamide 30°C, pH 7.0, cosubstrate: NH4+, mutant enzyme K360A 747058 4.3.2.10 0.8 - 5-[(5-phospho-1-deoxy-D-ribulos-1-ylamino)methylideneamino]-1-(5-phospho-beta-D-ribosyl)imidazole-4-carboxamide pH 8.0, 25°C, wild-type HisH-HisF complex 748148 4.3.2.10 0.845 - 5-[(5-phospho-1-deoxy-D-ribulos-1-ylamino)methylideneamino]-1-(5-phospho-beta-D-ribosyl)imidazole-4-carboxamide 30°C, pH 7.0, cosubstrate: NH4+, wild-type enzyme 747058 4.3.2.10 1.88 - L-glutamine pH 8.0, 37°C, HisF mutant enzyme V12A, activated by 1 mM 5-[(5-phospho-1-deoxy-D-ribulos-1-ylamino)methylideneamino]-1-(5-phospho-beta-D-ribosyl)imidazole-4-carboxamide 749186 4.3.2.10 2 - NH4+ pH 8.5, 25°C, ammonia-dependent reaction of isolated HisF subunit, wild-type 748148 4.3.2.10 2.2 - 5-[(5-phospho-1-deoxy-D-ribulos-1-ylamino)methylideneamino]-1-(5-phospho-beta-D-ribosyl)imidazole-4-carboxamide pH 8.5, 25°C, ammonia-dependent reaction of isolated HisF subunit, wild-type 748148 4.3.2.10 3.62 - L-glutamine pH 8.0, 37°C, wild-type enzyme, activated by 1 mM 5-[(5-phospho-1-deoxy-D-ribulos-1-ylamino)methylideneamino]-1-(5-phospho-beta-D-ribosyl)imidazole-4-carboxamide 749186 4.3.2.10 3.9 - 5-[(5-phospho-1-deoxy-D-ribulos-1-ylamino)methylideneamino]-1-(5-phospho-beta-D-ribosyl)imidazole-4-carboxamide 30°C, pH 7.0, cosubstrate: L-glutamine, mutant enzyme R239H 747058 4.3.2.10 3.9 - 5-[(5-phospho-1-deoxy-D-ribulos-1-ylamino)methylideneamino]-1-(5-phospho-beta-D-ribosyl)imidazole-4-carboxamide pH 7.0, 30°C 749228 4.3.2.10 4.09 - L-glutamine pH 8.0, 30°C, activated by 5-[(5-phospho-1-deoxy-D-ribulos-1-ylamino)methylideneamino]-1-(5-phospho-beta-D-ribosyl)imidazole-4-carboxamide 747861 4.3.2.10 4.3 - 5-[(5-phospho-1-deoxy-D-ribulos-1-ylamino)methylideneamino]-1-(5-phospho-beta-D-ribosyl)imidazole-4-carboxamide 30°C, pH 7.0, cosubstrate: L-glutamine, mutant enzyme R239A 747058 4.3.2.10 4.37 - L-glutamine pH 8.0, 40°C, activated by 5-[(5-phospho-1-deoxy-D-ribulos-1-ylamino)methylideneamino]-1-(5-phospho-beta-D-ribosyl)imidazole-4-carboxamide 747861 4.3.2.10 4.89 - L-glutamine pH 8.0, 50°C, activated by 5-[(5-phospho-1-deoxy-D-ribulos-1-ylamino)methylideneamino]-1-(5-phospho-beta-D-ribosyl)imidazole-4-carboxamide 747861 4.3.2.10 5 - 5-[(5-phospho-1-deoxy-D-ribulos-1-ylamino)methylideneamino]-1-(5-phospho-beta-D-ribosyl)imidazole-4-carboxamide 30°C, pH 7.0, cosubstrate: NH4+, mutant enzyme K258R 747058 4.3.2.10 5.2 - L-glutamine pH 7.0, 30°C 749228 4.3.2.10 5.4 - 5-[(5-phospho-1-deoxy-D-ribulos-1-ylamino)methylideneamino]-1-(5-phospho-beta-D-ribosyl)imidazole-4-carboxamide 30°C, pH 7.0, cosubstrate: L-glutamine, wild-type enzyme 747058 4.3.2.10 5.4 - 5-[(5-phospho-1-deoxy-D-ribulos-1-ylamino)methylideneamino]-1-(5-phospho-beta-D-ribosyl)imidazole-4-carboxamide 30°C, pH 7.0, cosubstrate: NH4+, mutant enzyme K258A 747058 4.3.2.10 5.5 - L-glutamine pH 8.0, 60°C, activated by 5-[(5-phospho-1-deoxy-D-ribulos-1-ylamino)methylideneamino]-1-(5-phospho-beta-D-ribosyl)imidazole-4-carboxamide 747861 4.3.2.10 5.92 - L-glutamine pH 8.0, 70°C, activated by 5-[(5-phospho-1-deoxy-D-ribulos-1-ylamino)methylideneamino]-1-(5-phospho-beta-D-ribosyl)imidazole-4-carboxamide 747861 4.3.2.10 6.1 - 5-[(5-phospho-1-deoxy-D-ribulos-1-ylamino)methylideneamino]-1-(5-phospho-beta-D-ribosyl)imidazole-4-carboxamide pH 8.0, 30°C, cosubstrate: NH4+ 747052 4.3.2.10 8.5 - 5-[(5-phospho-1-deoxy-D-ribulos-1-ylamino)methylideneamino]-1-(5-phospho-beta-D-ribosyl)imidazole-4-carboxamide pH 8.0, 30°C, cosubstrate: L-glutamine 747052 4.3.2.10 8.7 - 5-[(5-phospho-1-deoxy-D-ribulos-1-ylamino)methylideneamino]-1-(5-phospho-beta-D-ribosyl)imidazole-4-carboxamide 30°C, pH 7.0, cosubstrate: L-glutamine, mutant enzyme R239K 747058 4.3.2.10 8.8 - NH4+ pH 8.0, 30°C 747052 4.3.2.10 9.1 - L-glutamine pH 8.0, 30°C 747052