Thymidylate SynthaseThymidine MonophosphateGlycine HydroxymethyltransferaseTrimetrexatePteroylpolyglutamic AcidsThymine NucleotidesFolic AcidFluorodeoxyuridylateDeoxyuracil NucleotidesFolic Acid AntagonistsFloxuridineNucleoside-Phosphate KinaseTetrahydrofolatesAntimetabolites, AntineoplasticDihydrouracil Dehydrogenase (NADP)ThiophenesFluorouracilQuinazolinesDeoxyuridineIsoindolesLactobacillus caseiMethyltransferasesTetrahydrofolate DehydrogenaseLeukemia L1210Polyglutamic AcidMolecular Sequence DataMethotrexateThymidineThymidine PhosphorylaseBase SequenceEscherichia coliKineticsRNA, MessengerLeucovorinEnzyme InhibitorsHydroxymethyl and Formyl TransferasesOrotate PhosphoribosyltransferaseAmino Acid SequenceMutationColonic NeoplasmsGlutamatesThymidine KinaseColorectal NeoplasmsTumor Cells, CulturedCloning, MolecularReduced Folate Carrier ProteinGuaninePhosphoribosylaminoimidazolecarboxamide FormyltransferasePeptide SynthasesUracilLentinanPhosphoribosylglycinamide FormyltransferaseMethylenetetrahydrofolate Reductase (NADPH2)5-Methyltetrahydrofolate-Homocysteine S-MethyltransferaseCitrate (si)-SynthaseMolecular StructureDrug Resistance, NeoplasmModels, MolecularFlavinsDrug ResistanceCell LinePolymorphism, GeneticProtein BiosynthesisBinding SitesDCMP DeaminaseGene Expression Regulation, EnzymologicCrystallography, X-RayTandem Repeat SequencesAntineoplastic AgentsSubstrate SpecificityCatalysisCell DivisionThymineFolate Receptors, GPI-AnchoredGlycogen Synthase