Thymidylate SynthaseDeoxyuracil NucleotidesThymidine MonophosphateFluorodeoxyuridylatePolyketide SynthasesNucleoside-Phosphate KinaseFloxuridineFolic Acid AntagonistsTetrahydrofolatesMethyltransferasesThiophenesAntimetabolites, AntineoplasticThymine NucleotidesDeoxyuridineDihydrouracil Dehydrogenase (NADP)FluorouracilPteroylpolyglutamic AcidsLactobacillus caseiFolic AcidAlkyl and Aryl TransferasesTetrahydrofolate DehydrogenasePeptide SynthasesTrimetrexateQuinazolinesMolecular Sequence DataChitin SynthaseIsoindoles