Published in J Bacteriol on April 01, 1976
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Regulation of the Escherichia coli glyA gene by the purR gene product. J Bacteriol (1990) 1.28
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Glutamine phosphoribosylpyrophosphate amidotransferase from cloned Escherichia coli purF. NH2-terminal amino acid sequence, identification of the glutamine site, and trace metal analysis. J Biol Chem (1982) 1.19
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Cloning and sequence of Bacillus subtilis purA and guaA, involved in the conversion of IMP to AMP and GMP. J Bacteriol (1992) 1.14
Structural characterization and corepressor binding of the Escherichia coli purine repressor. J Bacteriol (1992) 1.13
Regulation of Escherichia coli glnB, prsA, and speA by the purine repressor. J Bacteriol (1993) 1.13
The X-ray structure of the PurR-guanine-purF operator complex reveals the contributions of complementary electrostatic surfaces and a water-mediated hydrogen bond to corepressor specificity and binding affinity. J Biol Chem (1997) 1.12
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Mechanism of the synergistic end-product regulation of Bacillus subtilis glutamine phosphoribosylpyrophosphate amidotransferase by nucleotides. Biochemistry (1997) 1.10
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Formyltetrahydrofolate hydrolase, a regulatory enzyme that functions to balance pools of tetrahydrofolate and one-carbon tetrahydrofolate adducts in Escherichia coli. J Bacteriol (1995) 1.01
purU, a source of formate for purT-dependent phosphoribosyl-N-formylglycinamide synthesis. J Bacteriol (1993) 1.01
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Identification of sites for feedback regulation of glutamine 5-phosphoribosylpyrophosphate amidotransferase by nucleotides and relationship to residues important for catalysis. J Biol Chem (1993) 0.97
Evidence that the iron-sulfur cluster of Bacillus subtilis glutamine phosphoribosylpyrophosphate amidotransferase determines stability of the enzyme to degradation in vivo. J Biol Chem (1989) 0.96
Glutamine amidotransferase function. Replacement of the active-site cysteine in glutamine phosphoribosylpyrophosphate amidotransferase by site-directed mutagenesis. J Biol Chem (1984) 0.96
Binding of purine nucleotides to two regulatory sites results in synergistic feedback inhibition of glutamine 5-phosphoribosylpyrophosphate amidotransferase. J Biol Chem (1994) 0.96
Structure-based redesign of corepressor specificity of the Escherichia coli purine repressor by substitution of residue 190. Biochemistry (1998) 0.96
Role of NRF-1 in bidirectional transcription of the human GPAT-AIRC purine biosynthesis locus. Nucleic Acids Res (1997) 0.95
Tyrosine-inhibited 3-deoxy-D-arabino-heptulosonate 7-phosphate synthetase. Properties of the partially purified enzyme from Salmonella typhimurium. Arch Biochem Biophys (1970) 0.95
Fine structure analysis of the Chinese hamster AS gene encoding asparagine synthetase. Gene (1989) 0.95
Cloning of a cDNA encoding adenylosuccinate lyase by functional complementation in Escherichia coli. J Biol Chem (1990) 0.93
Primary structure of Serratia marcescens anthranilate synthase component II. J Biol Chem (1980) 0.93
Cloning of a chicken liver cDNA encoding 5-aminoimidazole ribonucleotide carboxylase and 5-aminoimidazole-4-N-succinocarboxamide ribonucleotide synthetase by functional complementation of Escherichia coli pur mutants. Proc Natl Acad Sci U S A (1990) 0.93
Binding of cytosolic aconitase to the iron responsive element of porcine mitochondrial aconitase mRNA. Arch Biochem Biophys (1992) 0.93
Mutagenesis of ligands to the [4 Fe-4S] center of Bacillus subtilis glutamine phosphoribosylpyrophosphate amidotransferase. J Biol Chem (1986) 0.92
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Two genes for de novo purine nucleotide synthesis on human chromosome 4 are closely linked and divergently transcribed. J Biol Chem (1994) 0.89
Characterization of the glutamine site of Escherichia coli guanosine 5'-monophosphate synthetase. J Biol Chem (1977) 0.88
Immunological study of anthranilate synthetase. J Bacteriol (1975) 0.88
Role of the purine repressor hinge sequence in repressor function. J Bacteriol (1994) 0.88
Replacement by site-directed mutagenesis indicates a role for histidine 170 in the glutamine amide transfer function of anthranilate synthase. J Biol Chem (1985) 0.87
Structural role for a conserved region in the CTP synthetase glutamine amide transfer domain. J Bacteriol (1987) 0.87
Glucosamine-6-phosphate synthase. Methods Enzymol (1985) 0.87
The glutamine-utilizing site of Bacillus subtilis glutamine phosphoribosylpyrophosphate amidotransferase. J Biol Chem (1983) 0.86
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