Purine NucleotidesPurinesPyrimidine NucleotidesPurine NucleosidesPyrimidinesNucleotidesPyrimidine DimersInosine MonophosphateAmidophosphoribosyltransferasePyrimidine NucleosidesPhosphoribosyl PyrophosphatePurine-Nucleoside PhosphorylaseAdenine NucleotidesHypoxanthinesRibose-Phosphate PyrophosphokinaseHypoxanthineInosineNucleotide DeaminasesPentosyltransferasesGuanine NucleotidesAMP DeaminaseAdenylosuccinate LyaseInosine NucleotidesAdenineRibonucleotidesHypoxanthine PhosphoribosyltransferaseMolecular Sequence DataAdenylosuccinate SynthasePurine-Pyrimidine Metabolism, Inborn ErrorsAdenosine TriphosphateMethylthioinosineRibonucleosidesPhosphoribosylaminoimidazolecarboxamide FormyltransferaseBase SequencePentosephosphatesGuanineAzaserineKineticsGMP ReductaseAdenosine MonophosphateUridine TriphosphateGuanosine MonophosphateHydroxymethyl and Formyl TransferasesGuanosine TriphosphateEscherichia coliAdenosineDNAAdenine PhosphoribosyltransferaseAmino Acid SequenceLesch-Nyhan SyndromeXanthine5,10-Methylenetetrahydrofolate Reductase (FADH2)Phosphoribosylglycinamide FormyltransferaseAcanthamoeba castellaniiNucleosidesIMP DehydrogenaseCarbon-Nitrogen LigasesAminoimidazole CarboxamideMutationAdenosine Deaminase5'-NucleotidaseNucleotidasesCloning, MolecularGuanosineDeoxyribonuclease (Pyrimidine Dimer)Nucleic Acid ConformationGuanine DeaminasePyrimidine PhosphorylasesAdenosine DiphosphateUracilPolymorphism, Single NucleotideSulfanilic AcidsOrotic AcidAmmoniaSubstrate SpecificityUltraviolet RaysBinding SitesUridineGuanosine DiphosphateXanthinesCarbamyl PhosphateSuraminPhosphotransferasesOrotate PhosphoribosyltransferaseRibosemonophosphatesCytidineDeoxyribonucleosidesMitochondrial ProteinsDihydroorotaseReceptors, PurinergicTranscription, GeneticModels, MolecularReceptors, Purinergic P2GlutamineUric AcidDNA RepairUridine PhosphorylaseSequence Homology, Nucleic AcidStructure-Activity RelationshipRNA