GuanosinePyrimidine NucleotidesNucleosidesAdenosinePurine NucleotidesPyrimidinesPyrimidine NucleosidesNucleotidesUridine TriphosphateOrotic AcidGuanineUracil NucleotidesOrotate PhosphoribosyltransferaseDihydroorotaseUridine MonophosphateReceptor, Adenosine A2AGuanine NucleotidesPurine NucleosidesAspartate CarbamoyltransferaseUridinePyrimidine DimersOrotidine-5'-Phosphate DecarboxylaseUridine KinaseCarbamoyl-Phosphate Synthase (Glutamine-Hydrolyzing)Receptor, Adenosine A1CytidineUracilCytidine TriphosphateNucleoside Transport ProteinsAdenosine DeaminasePentosyltransferasesCytosine Nucleotides5'-NucleotidaseRibonucleotidesDihydroorotate OxidasePurinesReceptor, Adenosine A3Molecular Sequence DataKineticsAdenosine KinaseUridine DiphosphateGuanine Nucleotide Exchange Factors3-DeazauridineReceptor, Adenosine A2BNucleotide Transport ProteinsEquilibrative Nucleoside Transporter 1Guanosine TriphosphateAdenosine TriphosphateEscherichia coliBase SequencePhosphoribosyl PyrophosphatePhosphonoacetic AcidReceptors, Adenosine A2InosineAdenine NucleotidesCarbamoyl-Phosphate Synthase (Ammonia)Adenosine A2 Receptor AgonistsSubstrate SpecificityNucleotidasesReceptors, Purinergic P1Adenosine A2 Receptor AntagonistsAmino Acid SequenceDeoxycytidine MonophosphateDNAThioinosineAdenosine A1 Receptor AntagonistsOrganomercury CompoundsAdenosine MonophosphateReceptors, Purinergic P2Nucleic Acid ConformationAdenosine A1 Receptor AgonistsPhosphotransferasesortho-AminobenzoatesPurine-Nucleoside PhosphorylaseThymidineAdenineXanthinesOxidoreductases Acting on CH-CH Group DonorsPyrimidine PhosphorylasesRibonucleosidesPurinergic P1 Receptor AntagonistsStructure-Activity RelationshipModels, MolecularBinding SitesPurinergic P1 Receptor AgonistsAspartic AcidAdenosine DiphosphateCell LineRNAGuanine DeaminaseNucleoside-Diphosphate KinaseMutationTubercidinDeoxyribonucleosidesDeoxyribonuclease (Pyrimidine Dimer)Polymorphism, Single NucleotideReceptors, PurinergicCloning, MolecularDeoxyadenosinesUltraviolet Rays