Purine NucleotidesPurinesPyrimidine NucleotidesNucleotidesPurine NucleosidesInosine MonophosphateAmidophosphoribosyltransferasePyrimidinesAdenine NucleotidesPhosphoribosyl PyrophosphateRibose-Phosphate PyrophosphokinaseNucleotide DeaminasesGuanine NucleotidesAMP DeaminaseHypoxanthinesAdenylosuccinate LyasePurine-Nucleoside PhosphorylaseInosine NucleotidesPyrimidine DimersHypoxanthineRibonucleotidesInosineMolecular Sequence DataHypoxanthine PhosphoribosyltransferaseAdenylosuccinate SynthasePyrimidine NucleosidesAdenosine TriphosphatePentosyltransferasesAdenineMethylthioinosinePhosphoribosylaminoimidazolecarboxamide FormyltransferasePurine-Pyrimidine Metabolism, Inborn ErrorsRibonucleosidesPentosephosphatesBase SequenceGMP ReductaseAdenosine MonophosphateAzaserineGuanosine TriphosphateGuanosine MonophosphateKineticsAmino Acid Sequence5,10-Methylenetetrahydrofolate Reductase (FADH2)Acanthamoeba castellaniiGuanineUridine TriphosphateHydroxymethyl and Formyl TransferasesEscherichia coliAminoimidazole CarboxamideLesch-Nyhan SyndromeIMP DehydrogenaseGuanine DeaminasePolymorphism, Single NucleotideAdenine PhosphoribosyltransferaseCarbon-Nitrogen LigasesAdenosineDNACloning, MolecularSulfanilic AcidsXanthineMutationAdenosine DiphosphateGuanosine DiphosphateAmmoniaPhosphoribosylglycinamide Formyltransferase5'-NucleotidaseAdenosine DeaminaseNucleotidasesBinding SitesNucleic Acid ConformationMitochondrial ProteinsSuraminSubstrate SpecificityCarbamyl PhosphateSequence Homology, Nucleic AcidGlutamineNucleosidesXanthinesReceptors, Purinergic P2Transcription, GeneticPhosphotransferasesAdipose Tissue, BrownNADGuanosineNucleotides, CyclicCarcinoma, Ehrlich TumorReceptors, PurinergicModels, MolecularRNARestriction MappingUltraviolet RaysDeoxyribonuclease (Pyrimidine Dimer)Cell LineUracilUric AcidSequence Analysis, DNAUridineOrotic AcidIon ChannelsStructure-Activity Relationship