5.1.1.3 additional information - additional information mutant V149A has about a 2fold higher kcat than wild-type RacE2 (67/sec versus 38/sec). In the reverse reaction, V149A has a higher kcat than RacE2 (4.9/sec versus 1.6/sec, respectively) 675451 5.1.1.3 0.00034 - D-glutamate pH 8.5, mutant enzyme D7S 653305 5.1.1.3 0.0023 - L-glutamate pH 8.5, mutant enzyme E147N 653305 5.1.1.3 0.0047 - L-glutamate pH 8.5, mutant enzyme E147N 653305 5.1.1.3 0.017 - L-glutamate recombinant His-tagged enzyme, pH 8.0, 37°C 759787 5.1.1.3 0.024 - L-glutamate recombinant His-tagged enzyme, pH 8.0, 37°C, bicine buffer 759787 5.1.1.3 0.025 - D-glutamate recombinant enzyme, pH 8.0, 37°C 749098 5.1.1.3 0.037 - L-glutamate pH 8.5, mutant enzyme D7S 653305 5.1.1.3 0.045 - L-glutamate pH 8, 30°C, mutant enzyme H186N 650067 5.1.1.3 0.056 - D-glutamate pH 8.5, wild-type enzyme 653305 5.1.1.3 0.063 - D-glutamate pH 8, 30°C, mutant enzyme D10N 650067 5.1.1.3 0.065 - D-glutamate deletion mutant A75T 676152 5.1.1.3 0.068 - L-glutamate pH 8, 30°C, mutant enzyme D10N 650067 5.1.1.3 0.08 - D-glutamate deletion mutant E151T 676152 5.1.1.3 0.093 - D-glutamate pH 8, 30°C, mutant enzyme H186N 650067 5.1.1.3 0.2 - D-glutamate - 676152 5.1.1.3 0.21 - L-glutamate pH 8.5, wild-type enzyme 653305 5.1.1.3 0.41 - D-glutamate - 676152 5.1.1.3 0.41 - L-glutamate - 676152 5.1.1.3 0.43 - D-glutamate mutant T76A, at 25°C in 50 mM Tris-HCl (pH 8.0), 5 mM NAD+, 0.5 mM iodonitrotetrazolium chloride, 2.5 mM ADP, 20 units of L-glutamate dehydrogenase, 2 units of diaphorase and D-glutamate 704192 5.1.1.3 0.49 - D-glutamate - 675453 5.1.1.3 0.56 - D-glutamate - 676152 5.1.1.3 1 - L-glutamate recombinant His-tagged enzyme, pH 8.0, 70°C, bicine buffer 759787 5.1.1.3 1.05 - L-glutamate - 676152 5.1.1.3 1.3 - D-glutamate wild type enzyme, at 25°C in 50 mM Tris-HCl, pH 8.0, 5 mM NAD+, 0.5 mM iodonitrotetrazolium chloride, 2.5 mM ADP, 20 units of L-glutamate dehydrogenase, 2 units of diaphorase and D-glutamate 704192 5.1.1.3 1.3 - L-glutamate wild-type enzyme, pH and temperature not specified in the publication 746586 5.1.1.3 1.6 - D-glutamate - 675451 5.1.1.3 1.63 - L-glutamate - 675453 5.1.1.3 1.78 - L-glutamate deletion mutant A75T 676152 5.1.1.3 1.8 - D-glutamate - 674336 5.1.1.3 2 - D-glutamate - 674336 5.1.1.3 2.26 - L-glutamate deletion mutant E151T 676152 5.1.1.3 2.4 - L-2-aminoadipic acid His-tagged recombinant FnGR, in potassium phosphate buffer (10 mM, pH 8.0) 701927 5.1.1.3 3.3 - D-glutamate - 691765 5.1.1.3 3.4 - L-glutamate - 676152 5.1.1.3 3.9 - D-glutamate - 675451 5.1.1.3 6.8 - L-glutamate pH 8.0, 30°C 660592 5.1.1.3 8.3 - D-glutamate His-tagged recombinant BsGR, in potassium phosphate buffer (10 mM, pH 8.0) 701927 5.1.1.3 8.5 - L-glutamate - 676152 5.1.1.3 11.73 - D-glutamate - 676152 5.1.1.3 12 - L-glutamate - 674336 5.1.1.3 12.16 - L-glutamate - 676152 5.1.1.3 12.6 - D-glutamate pH 7.6, 37°C 746766 5.1.1.3 13.8 - L-glutamate His-tagged recombinant FnGR, in potassium phosphate buffer (10 mM, pH 8.0) 701927 5.1.1.3 15 - D-glutamate - 676152 5.1.1.3 15 - D-glutamate His-tagged recombinant BsGR mutant V149A, in potassium phosphate buffer (10 mM, pH 8.0) 701927 5.1.1.3 17.4 - L-glutamate recombinant FnGR, in potassium phosphate buffer (10 mM, pH 8.0) 701927 5.1.1.3 17.7 - L-glutamate - 675451 5.1.1.3 18 - L-glutamate - 674336 5.1.1.3 20 - L-glutamate pH 8, 30°C, mutant enzyme D36N 650067 5.1.1.3 22 - D-glutamate His-tagged recombinant FnGR, in potassium phosphate buffer (10 mM, pH 8.0) 701927 5.1.1.3 22 - D-glutamate pH 8, 30°C, mutant enzyme D36N and H152Q 650067 5.1.1.3 25 - L-glutamate - 676152 5.1.1.3 26 - D-glutamate recombinant FnGR, in potassium phosphate buffer (10 mM, pH 8.0) 701927 5.1.1.3 36.66 - L-glutamate - 676152 5.1.1.3 38 - L-glutamate - 675451 5.1.1.3 38 - L-glutamate pH 8, 30°C, mutant enzyme H152Q 650067 5.1.1.3 43.33 - D-glutamate - 676152 5.1.1.3 63 - L-glutamate His-tagged recombinant BsGR, in potassium phosphate buffer (10 mM, pH 8.0) 701927 5.1.1.3 68 - D-glutamate pH 8, 30°C, wild-type enzyme 650067 5.1.1.3 69 - D-Glu - 2104 5.1.1.3 69 - L-glutamate pH 8, 30°C, wild-type enzyme 650067 5.1.1.3 76 - L-Glu - 2104 5.1.1.3 76 - L-glutamate His-tagged recombinant BsGR mutant V149A, in potassium phosphate buffer (10 mM, pH 8.0) 701927 5.1.1.3 87 - L-glutamate wild type enzyme, 50 mM boric acid, 100 mM KCl, 0.2 mM dithiothreitol, pH 8.0, at 25°C in the presence of 0.22 microM glutamate racemase 704192 5.1.1.3 226.4 - L-glutamate pH 7.6, 37°C 746766 5.1.1.3 780 - D-glutamate recombinant wild type enzyme, reactions are conducted at 25°C in the assay mixture that contains 5 mM NAD+, 2.5 mM ADP, 50 mM CHES buffer (pH 9.2), 0.65 mM iodonitrotetrazolium chloride, 37.5 units/ml L-glutamate dehydrogenase, 2 units/ml diaphorase, and 0.05 mM D-glutamate 702331 5.1.1.3 2160 - D-glutamate mutant Q86A, reactions are conducted at 25°C in the assay mixture that contains 5 mM NAD+, 2.5 mM ADP, 50 mM CHES buffer (pH 9.2), 0.65 mM iodonitrotetrazolium chloride, 37.5 units/ml L-glutamate dehydrogenase, 2 units/ml diaphorase, and 0.05 mM D-glutamate 702331 5.1.1.3 2760 - D-glutamate mutant Y221A, reactions are conducted at 25°C in the assay mixture that contains 5 mM NAD+, 2.5 mM ADP, 50 mM CHES buffer (pH 9.2), 0.65 mM iodonitrotetrazolium chloride, 37.5 units/ml L-glutamate dehydrogenase, 2 units/ml diaphorase, and 0.05 mM D-glutamate 702331 5.1.1.3 3029 - L-glutamate pH 7.5, 37°C 728742 5.1.1.3 5220 - D-glutamate mutant K106A, reactions are conducted at 25°C in the assay mixture that contains 5 mM NAD+, 2.5 mM ADP, 50 mM CHES buffer (pH 9.2), 0.65 mM iodonitrotetrazolium chloride, 37.5 units/ml L-glutamate dehydrogenase, 2 units/ml diaphorase, and 0.05 mM D-glutamate 702331 5.1.1.3 5980 - D-glutamate pH 7.5, 37°C 728742 5.1.1.3 6660 - D-glutamate mutant R214A, reactions are conducted at 25°C in the assay mixture that contains 5 mM NAD+, 2.5 mM ADP, 50 mM CHES buffer (pH 9.2), 0.65 mM iodonitrotetrazolium chloride, 37.5 units/ml L-glutamate dehydrogenase, 2 units/ml diaphorase, and 0.05 mM D-glutamate 702331 5.1.1.3 7440 - D-glutamate mutant K29A, reactions are conducted at 25°C in the assay mixture that contains 5 mM NAD+, 2.5 mM ADP, 50 mM CHES buffer (pH 9.2), 0.65 mM iodonitrotetrazolium chloride, 37.5 units/ml L-glutamate dehydrogenase, 2 units/ml diaphorase, and 0.05 mM D-glutamate 702331 5.1.1.3 7560 - D-glutamate mutant R25A, reactions are conducted at 25°C in the assay mixture that contains 5 mM NAD+, 2.5 mM ADP, 50 mM CHES buffer (pH 9.2), 0.65 mM iodonitrotetrazolium chloride, 37.5 units/ml L-glutamate dehydrogenase, 2 units/ml diaphorase, and 0.05 mM D-glutamate 702331 5.1.1.3 7680 - D-glutamate mutant P99A, reactions are conducted at 25°C in the assay mixture that contains 5 mM NAD+, 2.5 mM ADP, 50 mM CHES buffer (pH 9.2), 0.65 mM iodonitrotetrazolium chloride, 37.5 units/ml L-glutamate dehydrogenase, 2 units/ml diaphorase, and 0.05 mM D-glutamate 702331 5.1.1.3 7980 - D-glutamate mutant R214A/K106A, reactions are conducted at 25°C in the assay mixture that contains 5 mM NAD+, 2.5 mM ADP, 50 mM CHES buffer (pH 9.2), 0.65 mM iodonitrotetrazolium chloride, 37.5 units/ml L-glutamate dehydrogenase, 2 units/ml diaphorase, and 0.05 mM D-glutamate 702331 5.1.1.3 116600 - L-glutamate recombinant wild type enzyme, in 10 mM potassium phosphate (pH 8.2) and 0.2 mM dithiothreitol 702331 5.1.1.3 144000 - L-glutamate mutant Q86A, in 10 mM potassium phosphate (pH 8.2) and 0.2 mM dithiothreitol 702331 5.1.1.3 164400 - L-glutamate mutant P99A, in 10 mM potassium phosphate (pH 8.2) and 0.2 mM dithiothreitol 702331 5.1.1.3 219600 - L-glutamate mutant K106A, in 10 mM potassium phosphate (pH 8.2) and 0.2 mM dithiothreitol 702331 5.1.1.3 252000 - L-glutamate mutant Y221A, in 10 mM potassium phosphate (pH 8.2) and 0.2 mM dithiothreitol 702331 5.1.1.3 278400 - L-glutamate mutant R214A/K106A, in 10 mM potassium phosphate (pH 8.2) and 0.2 mM dithiothreitol 702331 5.1.1.3 294000 - L-glutamate mutant R25A, in 10 mM potassium phosphate (pH 8.2) and 0.2 mM dithiothreitol 702331 5.1.1.3 306000 - L-glutamate mutant K29A, in 10 mM potassium phosphate (pH 8.2) and 0.2 mM dithiothreitol 702331 5.1.1.3 355200 - L-glutamate mutant R214A, in 10 mM potassium phosphate (pH 8.2) and 0.2 mM dithiothreitol 702331