PhenothiazinesCytosineAzacitidineCytosine DeaminaseDNA-Cytosine Methylases5-MethylcytosineDeaminationCytarabineFlucytosineDNA MethylationNucleoside DeaminasesSulfitesCytosine NucleotidesGuanineStructure-Activity RelationshipUracilDNADNA (Cytosine-5-)-MethyltransferaseCytidineBase SequenceMolecular Sequence DataAdenineNucleosidesKineticsMethylationThymineMolecular StructureProdrugsSubstrate SpecificityCpG IslandsModels, MolecularBase PairingCytidine DeaminaseEscherichia coliNucleic Acid ConformationStereoisomerismAmino Acid SequenceUracil-DNA GlycosidaseNucleobase Transport Proteins