Thymine NucleotidesMegaloblastsThymineAnemia, MegaloblasticLeukemia, LymphoidKineticsMethotrexateMolecular Sequence DataRNA, MessengerCell LineNucleotidesThymine DNA GlycosylaseBase SequenceAmino Acid SequenceDNAUracilPolymorphism, Single NucleotideAdenine NucleotidesPyrimidine DimersNucleic Acid ConformationEscherichia coliDeoxyribonuclease (Pyrimidine Dimer)Guanine NucleotidesCell Adhesion MoleculesCloning, MolecularBromouracilMutationPentoxylBinding SitesCytosinePurine NucleotidesModels, MolecularOsmium TetroxideProtein BindingDNA RepairDNA, BacterialOligodeoxyribonucleotidesPyrimidine NucleotidesEndodeoxyribonucleasesSequence Analysis, DNAUltraviolet RaysThymidineAdenineGuanineOligonucleotidesSequence Homology, Nucleic AcidGuanine Nucleotide Exchange FactorsPlasmidsNucleotides, CyclicSubstrate SpecificityTranscription, GeneticBase PairingPotassium PermanganateAdenosine TriphosphateSequence Homology, Amino AcidProtein Conformation