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Results 1 - 4 of 4
EC Number
Natural Substrates
Commentary (Nat. Sub.)
L-glutamine + N1-[(5'-phosphoribulosyl)formimino]-5-aminoimidazole-4-carboxamido-1-beta-D-ribofuranosyl 5'-phosphate
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L-glutamine + N1-[(5'-phosphoribulosyl)formimino]-5-aminoimidazole-4-carboxamido-1-beta-D-ribofuranosyl 5'-phosphate
the enzyme catalyzes a step in the histidine biosynthetic pathway located at the branch point to de novo purine biosynthesis
L-glutamine + N1-[(5'-phosphoribulosyl)formimino]-5-aminoimidazole-4-carboxamido-1-beta-D-ribofuranosyl 5'-phosphate
the imidazole glycerol phosphate synthase catalyzes formation of the imidazole ring in histidine biosynthesis
N1-[(5'-phosphoribulosyl)formimino]-5-aminoimidazole-4-carboxamido-1-beta-D-ribofuranosyl 5'-phosphate + L-glutamine
for the IGP synthase holoenzyme L-glutamine is a more efficient substrate relative to ammonium ion by a factor of 1000. The HisF subunit alone does not ulilize L-glutamine. It supports an ammonia-dependent reaction with a turnover number similar to that of the holoenzyme with glutamine
Results 1 - 4 of 4