Purines, pyrimidines, nucleosides, and nucleotides

thymidylate kinase (RefSeq)

ribonucleoside-diphosphate reductase (RefSeq)

CTP synthetase (RefSeq)

putative dihydroorotase-like protein (RefSeq)

thymidylate kinase (RefSeq)

amidophosphoribosyltransferase (PRPP amidotransferase) (RefSeq)

phosphoribosylpyrophosphate synthetase (RefSeq)

phosphoribosylglycinamide synthetase (GAR synthetase) (RefSeq)

Deoxyguanosinetriphosphate triphosphohydrolase-like protein (RefSeq)

putative dihydroorotase-like protein (RefSeq)