Thymine NucleotidesMegaloblastsThymineAnemia, MegaloblasticLeukemia, LymphoidMethotrexateNucleotidesDNA PrimersThymine DNA GlycosylaseMolecular Sequence DataBase SequenceDNAUracilPolymerase Chain ReactionPolymorphism, Single NucleotideAmino Acid SequenceAdenine NucleotidesPyrimidine DimersEscherichia coliNucleic Acid ConformationCloning, MolecularDeoxyribonuclease (Pyrimidine Dimer)Sequence Analysis, DNAGuanine NucleotidesDNA, BacterialBromouracilPentoxylPurine NucleotidesCytosineOsmium TetroxideMutationOligodeoxyribonucleotidesSequence Homology, Nucleic AcidDNA RepairOligonucleotidesKineticsPhylogenyEndodeoxyribonucleasesPyrimidine NucleotidesTranscription, GeneticGuanineUltraviolet RaysThymidineAdenineTemplates, GeneticBinding SitesDNA, ViralDNA ReplicationGenes, BacterialNucleotides, CyclicBase PairingGuanine Nucleotide Exchange FactorsPlasmidsPotassium PermanganateDNA-Directed DNA PolymeraseSequence AlignmentSubstrate SpecificityBase Composition