PurinesAmidophosphoribosyltransferaseAntimetabolitesHypoxanthineHypoxanthine PhosphoribosyltransferasePurine NucleotidesPurine NucleosidesAntimetabolites, AntineoplasticInosine MonophosphateFloxuridinePhosphoribosyl PyrophosphateTetrahydrouridinePurine-Nucleoside PhosphorylaseTrabeculectomyHypoxanthinesFluorouracil6-MercaptopurineInosineLeukemia L1210MethotrexateFolic Acid AntagonistsMitomycinPentosyltransferasesCytarabineAdeninePyrimidine NucleotidesAntineoplastic AgentsGuanosineKineticsDrug SynergismPurine-Pyrimidine Metabolism, Inborn ErrorsGuanineDrug Screening Assays, AntitumorRibosemonophosphatesPhosphoribosylglycinamide FormyltransferaseDeoxycytidineMethylthioinosineCell SurvivalNucleosidesDrug Evaluation, PreclinicalHydroxymethyl and Formyl TransferasesCell LineTumor Cells, CulturedAdenosineCell DivisionAdenylosuccinate LyaseXanthineAdenine PhosphoribosyltransferaseNeoplasmsPhosphoribosylaminoimidazolecarboxamide FormyltransferasePyrimidine NucleosidesCell CycleAdenosine DeaminaseAzaserineRibose-Phosphate PyrophosphokinaseNucleobase Transport ProteinsDeoxyadenosinesLesch-Nyhan SyndromeMolecular Sequence DataNucleotidesRibonucleosidesRibonucleotidesAdenylosuccinate SynthaseXanthinesInosine NucleotidesGuanosine MonophosphateBase SequenceAllantoinPentosephosphatesPyrimidinesUric AcidAzaguanineCarbon-Nitrogen Ligases with Glutamine as Amide-N-DonorAdenine NucleotidesFormycinsAdenosine MonophosphateMutationIMP DehydrogenaseDNAAdenosine TriphosphateNucleoside Transport ProteinsDeoxyribonucleosidesCarbon-Nitrogen LigasesAdenosine KinaseXanthine DehydrogenaseNucleotidasesThionucleosidesNucleic Acid ConformationFormatesAdenosine Deaminase Inhibitors