purine biosynthesis
High Frequency Variation of Purine Biosynthesis Genes Is a Mechanism of Success in Campylobacter jejuni
... in purine bio- synthesis have been shown to have genome-wide mutational con- sequences in other organisms (19), purine biosynthesis mutants could be potential mutator ...
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Myc-dependent purine biosynthesis affects nucleolar stress and therapy response in prostate cancer
... novo purine biosynthesis and the subsequent conversion to XMP is tightly regulated by MYC and independent of AR ...targeting purine biosynthesis provides an opportunity to perturb PCa ...
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Enhanced acetic acid stress tolerance and ethanol production in Saccharomyces cerevisiae by modulating expression of the de novo purine biosynthesis genes
... novo purine biosynthesis pathway yielding inosine monophosphate (IMP) and adenosine 5 ′ -monophosphate (AMP) [26], and IMP is the first purine nucleotide in the pathway which can be converted to AMP ...
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Mechanism of excessive purine biosynthesis in hypoxanthine guanine phosphoribosyltransferase deficiency
... reduced purine biosynthesis as demonstrated by diminished excretion of total urinary purine or by reduction of glycine- 14 C incorporation into hypoxanthine, xanthine, and uric acid to less than ...
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De Novo purine biosynthesis by two pathways in Burkitt lymphoma cells and in human spleen
... phosphoribosyl glycinamide, the second intermediate of this pathway. Phosphoribosyl-1- amine could be synthesized in cell-free extracts from a-5-phosphoribosyl-1-pyrophosphate (PRPP) and glutamine, from PRPP and ammonia, ...
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Purine biosynthesis in archaea: variations on a theme
... each cluster. One cluster contained proteins with the expected active-site N-terminal cysteine, and we believe these are the actual PurF enzymes. The proteins in the second cluster, which we call PurF’, lacked the ...
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Basis for the control of purine biosynthesis by purine ribonucleotides
... hepatic purine nucleotides documenting an increase in the rate of purine biosynthesis in the liver of fructose-treated ...of purine nucleotides that are inhibitory ...
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Eaf1 Links the NuA4 Histone Acetyltransferase Complex to Htz1 Incorporation and Regulation of Purine Biosynthesis
... Although the interplay between NuA4 activity and Htz1 incor- poration has been reported both in vitro and at certain genes in vivo, the global scale of NuA4 effects on Htz1 incorporation re- mains poorly studied. To this ...
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A mathematical model for the adenylosuccinate synthetase reaction involved in purine biosynthesis
... Biosynthesis of the purines AMP and GMP in Escherichia coli is a many-staged process supported by a complex net- work of enzymes. Some of the genes that encode these enzymes are arranged into operons (purF, purHD, ...
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Molecular and genetic analyses of Drosophila Prat, which encodes the first enzyme of de novo purine biosynthesis.
... Analysis of these mutations s u p ports the prediction that the Prat mutant phenotype is similar to those for ade2 and ade3, genes encoding enzymes downstream in th[r] ...
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Vol 3, No 9 (2014)
... of purine salvage and purine catabolism in the cells of corresponding proliferation ...planta purine metabolism is dependent upon the endogenous supply of ...of purine nucleotides accompanying ...
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Variations in purine metabolism of cultured skin fibroblasts from patients with gout
... of purine biosynthesis de novo was normal in one line of cells, but the rate of catabolism of adenine nucleotides to hypoxanthine and inosine was greatly ...of purine biosynthesis de novo was ...
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In Vivo Analysis of Folate Coenzymes and Their Compartmentation in Saccharomyces cerevisiae
... Protein purification studies (CAPERELLI et al. 1980) support the putative existence of a multicomplex that includes enzymes involved in purine biosynthesis as well as C[r] ...
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Deregulation of purine pathway in Bacillus subtilis and its use in riboflavin biosynthesis
... PRPP amidotransferases activity is regulated by feedback inhibition through the specific binding of purine nucleo- tides to certain previously determined residues [5,24]. Here, a multiple sequence alignment was ...
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6 (2 Methoxybenzylamino)purine
... The molecular structure of (I) is shown in Fig. 1. The molecule contains three different aromatic rings: benzene (A), pyrimidine (B) and imidazole (C). Each ring is essentially planar with the maximum deviations from the ...
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Fermentative production of ribavirin by overexpressing purine nucleoside phosphorylase in Bacillus
... to purine nucleoside, and the affinity differ according to different enzyme sources and/or different purine nucleosides [22-25] ...typical purine nucleosides, which have been produced by Bacillus ...
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Sequences Just Upstream of the Simian Immunodeficiency Virus Core Enhancer Allow Efficient Replication in the Absence of NF-κB and Sp1 Binding Elements
... two purine-rich sequences can be identified at a similar location in the SIV enhancer ...these purine-rich regions, named SIV PuB1 in analogy to the HIV-2 LTR, is located just at the 39 end of the NOD and ...
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Dietary Induced Variation of Hypoxanthine Guanine Phosphoribosyl Transferase Activity in Patients with the Lesch Nyhan Syndrome
... During dietary purine restriction HGPRT activity rose in all three patients; resumption of normal dietary purine intake or the addition of adenine 10 mg/kg per day to a purinefree diet r[r] ...
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Some studies in purine metabolism and control
... Cyclic-AMP binding curves for the DEAEcellulose toiumn npeaks A and B Effect of cyclic-GMP on the binding of cyclic-AMP by the binding protein in the 5,000 x g supernatant and two ammoni[r] ...
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Adverse drug effects in hospitalized elderly: Data from the Healthcare Cost and Utilization Project
... e944.1 Adv eff Purine Diuretics Causing adverse effects; purine derivative diuretics, Theobromine, Theophylline e944.2 Adv eff Acetazolamide Causing adverse effects; carbonic acid anhydrase inhibitors, ...
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