Pyrimidine NucleotidesPurine NucleotidesPyrimidinesNucleotidesUridine TriphosphateOrotic AcidOrotate PhosphoribosyltransferaseUracil NucleotidesDihydroorotasePyrimidine NucleosidesUridine MonophosphateAspartate CarbamoyltransferasePyrimidine DimersOrotidine-5'-Phosphate DecarboxylaseCarbamoyl-Phosphate Synthase (Glutamine-Hydrolyzing)Uridine KinaseUridineCytidine TriphosphateUracilDihydroorotate OxidaseCytidineCytosine NucleotidesUridine DiphosphateRibonucleotides3-DeazauridinePentosyltransferasesNucleotide Transport Proteins5'-NucleotidaseMolecular Sequence DataCarbamoyl-Phosphate Synthase (Ammonia)Phosphonoacetic AcidPhosphoribosyl PyrophosphatePurinesDeoxycytidine MonophosphateOrganomercury CompoundsAdenosine TriphosphateGuanine NucleotidesKineticsEscherichia coliortho-AminobenzoatesBase SequenceNucleosidesOxidoreductases Acting on CH-CH Group DonorsNucleotidasesSubstrate SpecificityReceptors, Purinergic P2Amino Acid SequenceDNAAspartic AcidNucleic Acid ConformationGuanosine TriphosphatePhosphotransferasesAdenosine DiphosphateAdenine NucleotidesPolymorphism, Single NucleotideDeoxyribonuclease (Pyrimidine Dimer)ThymidinePyrimidine PhosphorylasesUltraviolet RaysModels, MolecularStructure-Activity RelationshipRNABinding SitesCell LineCatalytic DomainCloning, MolecularDeoxyribodipyrimidine Photo-LyaseDNA Repair