Pyrimidine Nucleotides3-DeazauridineDihydroorotaseAspartate CarbamoyltransferasePurine NucleotidesPurinesNucleotidesDihydroorotate OxidasePyrimidine NucleosidesIMP DehydrogenasePyrimidinesPurine NucleosidesUridine TriphosphateOrotic AcidHydroxymethyl and Formyl TransferasesOrotate PhosphoribosyltransferaseUracil NucleotidesPhosphoribosylaminoimidazolecarboxamide FormyltransferaseUridine MonophosphateGuanosine MonophosphateOrotidine-5'-Phosphate DecarboxylasePyrimidine DimersCarbamoyl-Phosphate Synthase (Glutamine-Hydrolyzing)Molecular Sequence DataUridine KinaseAmidophosphoribosyltransferaseCarbon-Nitrogen LigasesEscherichia coliUridineUracilCytidine TriphosphateBase SequencePentosyltransferasesAmino Acid SequenceCytidineCytosine NucleotidesRibonucleotidesUridine DiphosphatePhosphoribosyl Pyrophosphate5'-NucleotidaseGlutamineMutationKineticsNucleotide Transport ProteinsCarbamoyl-Phosphate Synthase (Ammonia)Phosphonoacetic Acid