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EC Number Protein Variants Commentary Reference
Display the word mapDisplay the reaction diagram Show all sequences 4.3.1.B2R239A ratio of glutamine turnover to N1-[(5'-phosphoribulosyl)formimino]-5-aminoimidazole-4-carboxamido-1-beta-D-ribofuranosyl 5'-phosphate turnover is 122:1 (wild-type ratio is 1:1), 860fold decrease in kcat/KM of N1-[(5'-phosphoribulosyl)formimino]-5-aminoimidazole-4-carboxamido-1-beta-D-ribofuranosyl 5'-phosphate (cosubstrate L-glutamine), 5.4fold decrease in kcat/Km N1-[(5'-phosphoribulosyl)formimino]-5-aminoimidazole-4-carboxamido-1-beta-D-ribofuranosyl 5'-phosphate (cosubstrate: NH4+), 3450fold decrease in kcat/Km of L-glutamine 726939
Display the word mapDisplay the reaction diagram Show all sequences 4.3.1.B2R239H ratio of glutamine turnover to N1-[(5'-phosphoribulosyl)formimino]-5-aminoimidazole-4-carboxamido-1-beta-D-ribofuranosyl 5'-phosphate turnover is 154:1 (wild-type ratio is 1:1), 2400fold decrease in kcat/KM of N1-[(5'-phosphoribulosyl)formimino]-5-aminoimidazole-4-carboxamido-1-beta-D-ribofuranosyl 5'-phosphate (cosubstrate L-glutamine), 5.2fold decrease in kcat/Km N1-[(5'-phosphoribulosyl)formimino]-5-aminoimidazole-4-carboxamido-1-beta-D-ribofuranosyl 5'-phosphate (cosubstrate: NH4+), 1360fold decrease in kcat/Km of L-glutamine 726939
Display the word mapDisplay the reaction diagram Show all sequences 4.3.1.B2R239K ratio of glutamine turnover to N1-[(5'-phosphoribulosyl)formimino]-5-aminoimidazole-4-carboxamido-1-beta-D-ribofuranosyl 5'-phosphate turnover is 40:1 (wild-type ratio is 1:1), 218fold decrease in kcat/KM of N1-[(5'-phosphoribulosyl)formimino]-5-aminoimidazole-4-carboxamido-1-beta-D-ribofuranosyl 5'-phosphate (cosubstrate L-glutamine), 3.9fold decrease in kcat/Km N1-[(5'-phosphoribulosyl)formimino]-5-aminoimidazole-4-carboxamido-1-beta-D-ribofuranosyl 5'-phosphate (cosubstrate: NH4+), 540fold decrease in kcat/Km of L-glutamine 726939
Display the word mapDisplay the reaction diagram Show all sequences 4.3.1.B2R360A ratio of glutamine turnover to N1-[(5'-phosphoribulosyl)formimino]-5-aminoimidazole-4-carboxamido-1-beta-D-ribofuranosyl 5'-phosphate turnover is 3:1 (wild-type ratio is 1:1), 9.2fold decrease in kcat/KM of N1-[(5'-phosphoribulosyl)formimino]-5-aminoimidazole-4-carboxamido-1-beta-D-ribofuranosyl 5'-phosphate (cosubstrate L-glutamine), 1.4fold decrease in kcat/Km N1-[(5'-phosphoribulosyl)formimino]-5-aminoimidazole-4-carboxamido-1-beta-D-ribofuranosyl 5'-phosphate (cosubstrate: NH4+), 15fold decrease in kcat/Km of L-glutamine 726939
Display the word mapDisplay the reaction diagram Show all sequences 4.3.1.B2R5H IGP synthases formed with R5H mutant HisF subunit shows 1500fold reduction in the kcat/Km ratio for glutamine 727736
Display the word mapDisplay the reaction diagram Show all sequences 4.3.1.B2T78M the mutation does not impair substrate binding to the active site of HisF 728756
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