PurinesPyrimidinesPyrimidine NucleotidesPurine NucleotidesPyrimidine DimersPyrimidine NucleosidesPurine NucleosidesPurine-Nucleoside PhosphorylaseDeoxyribonuclease (Pyrimidine Dimer)PentosyltransferasesPyrimidine PhosphorylasesOrotic AcidUracilHypoxanthineHypoxanthinesUltraviolet RaysOrotate PhosphoribosyltransferaseNucleosidesInosineUridineDihydroorotaseAdeninePurine-Pyrimidine Metabolism, Inborn ErrorsDeoxyribodipyrimidine Photo-LyasePhosphoribosyl PyrophosphateUridine PhosphorylaseAspartate CarbamoyltransferaseCytidineOrotidine-5'-Phosphate DecarboxylaseCarbamoyl-Phosphate Synthase (Glutamine-Hydrolyzing)GuanosineDeoxyribonucleosidesDihydroorotate OxidaseRibonucleosidesDNAUracil NucleotidesUridine TriphosphateNucleotidesThymineUridine KinaseBase SequenceGuanineDNA RepairUridine MonophosphateKineticsRibonucleotidesNucleic Acid ConformationMolecular Sequence DataInosine MonophosphateRibosemonophosphatesDeoxyuridineAdenosineNucleotidasesEscherichia coli5'-NucleotidaseHypoxanthine PhosphoribosyltransferaseAmidophosphoribosyltransferaseAdenine PhosphoribosyltransferaseN-Glycosyl HydrolasesThiaminePhosphoribosylglycinamide FormyltransferaseNucleoside Transport ProteinsSubstrate SpecificityDeoxyadenosinesMutationFormycinsCytosinePhosphoribosylaminoimidazolecarboxamide FormyltransferaseNucleobase Transport ProteinsXanthineHydroxymethyl and Formyl TransferasesAdenosine DeaminaseCarbamyl PhosphateMethylthioinosineDNA DamageAzauridineOligonucleotidesCytosine NucleotidesThymidineStructure-Activity RelationshipMolecular StructurePentosephosphatesRibose-Phosphate PyrophosphokinaseAzaserineCytidine TriphosphateLesch-Nyhan SyndromeXanthinesAdenosine TriphosphateOxidoreductases Acting on CH-CH Group DonorsOligodeoxyribonucleotidesEndodeoxyribonucleasesPhosphotransferasesModels, MolecularFolic Acid AntagonistsBase PairingAdenylosuccinate LyaseDihydrouracil Dehydrogenase (NADP)Adenosine KinasePyrimidinonesFormates